Frontline Reviews

I have applied Frontline for two months in a row. My cats continue to have fleas. I comb every day and take tons of living fleas off them. I completely angry and upset at the same time. One of my cats seem to have the worst of it. He has all kind of scabs around his neck and when I comb him not only do I take off fleas but also dried blood. My oldest kitty is sick and I begin to wonder if it from the Frontline. Why do they tell you have to wait three months before you can file a complaint or dissatisfaction.

I can't be so displeased with this product. My Scottie has had developed skin irritation and it has been over month and she has lost almost all her hair. Her hair started to grow back but she has been chewing and scratching her skin and it hurts for me to see her suffer. I have a boy dog also but he was not affected by this medication. I wish I never have used this product for my girl dog.

My cat Jazzy after using this product had intensive scratching that led to bald spots and vomiting. If you feel as passionate as I do about your babe's please do not use this product. I tried to call Frontline and they had no answers for me. But I did get a case number.

Early in the morning on July 13, 2013, after having given Rudy Frontline Plus the night before, he had a grand mal seizure. I was so scared and upset. I thought I was going to lose him then and there. After about 5 minutes, it seemed like an hour, he got up rather dazed and then seemed fine. I called the vet right away and got an appointment. Having some time, I went on the internet to research and found many articles on the side effects of Frontline Plus and many of the people reporting their pets had seizures. After many tests were done at the vets, all the results came back negative. I asked him if it could have been Frontline Plus that caused it. He said no as Frontline was a safe drug. He has since changed his mind. Well that day was just the start of the seizures.

I recently purchase 2 lots of 6 applications of Frontline Plus to keep my 2 cats free of fleas. The results have been unacceptable - useless in other words. I have been using the product for year. My cats are kept inside and not exposed to other animals and have never had fleas until I recently moved. No response from the manufacturers even after 2 telephone calls. DO NOT BUY THIS PRODUCT IF YOU EXPECT TO KILL FLEAS. I'm trying Purina Total Care. After 3 days, it seems to be working.

As far as the product itself it appears to work as it should. The other day while preparing to put on my dogs I set the product container down on my dresser. The vial was leaking and got on my dresser. I hadn't noticed and in a while I came back and saw that it had dissolved through the finish on my dresser. I tried to wipe off but the chemical reaction caused it to become sticky and ruined the top of my dresser. I called Frontline to see if they had any explanation as to why this occurred and they could not offer any explanation. Nevertheless, it has left me wondering what this could be doing to my dogs!!

This is the second time using your product. It's crap. Do you only use it to keep little green men away in America, i.e. men from Mars. Won't be touching it again. Our dog does not deserve this.

I've used Frontline Plus for three years now. But when I purchased my last batch, the product did not work. My cat is covered with fleas and is suffering. I applied the new Frontline three months in a row. The first month, fleas were gone for about a week. The second and third month, the fleas didn't go away at all. I can't apply Advantage until the end of the month. Meanwhile, my cat has stopped being affectionate and constantly scratches and shakes his fur.

LUBBOCK, TX Resident wonders why Frontline hasn't not been pulled off LOCAL the shelves? Please SPREAD THE WORD so others do not have to continue to suffer! 16 HOURS after application with NO IMPROVEMENT. Not only did Frontline NOT WORK, ONCE I APPLIED Frontline made our oldest pup completely pass out. Then our second younger pup started not acting himself, staring off into space, then passed out, falling asleep, only to wake up the next day in the same amount of infestation. PETS are still infested and it says to only apply such product once every 30 days. WHY??? I am really concerned causing me distress if reapplication of an alternative product is going to hurt my dogs.

Always used Frontline as recommended by my vet but this year it did not work. Went to Pets At Home and asked the vet. There she told me that the fleas have became immune to the product and recommend Advantage which worked immediately. Why are they still allowed to sell Frontline? It's fraud.

Pretty expensive. But it is not working. Fleas are jumping not dying. Wasted money. Frontline Plus for cats for fleas and ticks. Now what can I do without poisoning my cat!!! And our family and home.

I have had my cat for 10 years, he is an indoor cat. Last summer I used Frontline on my baby. A month later he began scratching and biting his hair out in big patches. He got better a few months later and I thought it was just where he had made his way outside and got fleas. And now this year when I treated him once again with Frontline here he is again, bald and scabby all over. I just cry and cry every time I look at him. He is a big part of our family and this is so heartbreaking. I see many others have had the same problem once I got online researching it. Can we not start a class action LAWSUIT against Frontline? I'm sorry but he is like a child to us and it hurts me so to see him suffer like this over a medication that is suppose to protect Him, not HARM him!!! I am attaching a photo of him before Frontline and one after... Now you tell me how cruel this medication is to our fur babies...

We went on vacation for 10 days and my mom bought Frontline from Costco - a pack of 6 for $60, a great price! She applied it to our kitty the first day we were gone (and she's very adept at it, having had dozens of dogs and cats over and the years) which was July 27th. At this point, Scratchy didn't have any fleas (that we knew of) as she's an indoor cat. We bought Frontline to protect her from potentially getting fleas from my mom's dog Bubbles, who is basically an indoor dog, but goes outside for walks. Bubbles had a few fleas, but apparently it was under control. She gets groomed and also my mom purchased Advantage at a local feed store where they sell other pet items. WELL... those fleas jumped onto poor Scratchy and despite the application of Frontline, we've been combing approximately 100+ fleas off of her DAILY. Sometimes more hatch in the afternoons and she's got another 25 or so after a FULL combing!

I have used Frontline before and it worked on both my dog and cats. This year the results have been horrible. The product seemed to work for less than a week and now all my animals are reinfested with fleas. My son is even diligent in flea combing the kittens but to no avail. I will no longer purchase this product. My vet even said that Advantage was the better product. Too bad I did not know that before I bought Frontline.

For years, we have used Frontline Plus on both our Scotties. We had them vaccinated against Lyme disease and both had their booster shots. Today, August 14th, we took our Scotties to the vet because Bonnie was limping. She was diagnosed with Lyme disease. You can draw your own conclusions about its effectiveness against Lyme infected ticks. My opinion, it did not work and I'll be looking for an alternative medication.

Put Frontline on my 2-year old, perfectly healthy cat. Now, it is one week later and he has brown drool around his mouth, tongue flickering, and will not eat or drink! I am taking him to the vet. He is dehydrated, lethargic, third eyelids showing, shallow breathing, extremely weak. I will never use this product again, nor will I recommend it to anyone. In fact, if my Lucky dies, Frontline will hear from me! Whether they care or not. I hand nursed this cat for six weeks, every 2 to 4 hrs around the clock because his mother abandoned him. He was covered in ants, and he is totally deaf. Now, to have this happen is extremely upsetting! This little guy does not deserve this!

We used Frontline plus for cats and it did not work at all. We used it 2x and all it did was make our poor cat dig and bite more. Worse product I have ever used. My cat is and always has been an indoor cat. I want my money back for this worthless product. It was not cheap by no means. Please do not waste your $$$ on this crap.

I purchased Frontline products Plus for my cats trying to get rid of fleas. It states on the box that it is fast acting. The product absolutely doesn't work. My cats still have fleas and are paying the price for it. They are charging way too much for this product to not work. I have purchased advantage before within a 24 hour period to a week. Everything starts clearing up. I want my money back. I will never purchase this product again. One person called and followed their instructions and her cat is now dead. This happens to my animals I will be taking further action.

I have religiously used Frontline every year on my cats. Never had a problem with fleas, the medication did its job. Suddenly this year Frontline is not as effective as it has been in the past. I treated all 3 of my cats plus a new puppy and although the fleas have lessened they are still there. I vacuum daily, wash pet bedding weekly and have even used Knockout ES house spray. The fleas seem to be only on the pets as we never have fleas jump on us from carpet or furniture. I check the cat's bellies and "armpits" daily for flea dirt but only find it on their neck and tail areas. Why does the box say it can take up to 3 doses to become completely effective? It was never like this before. One dose and fleas were gone. I have one more dose to give before I can contact the company for a refund. If fleas are not gone by then I better get my $$ back.

Bought from BudgetPetCare online, for my dog and cat... DOESN'T WORK! Both are full of fleas. Contacted BudgetPetCare, said they would contact me and they didn't. I have given my dog three bath's with flea shampoo, done my carpet with flea spray three times, treated my yard twice. I have spent at least an extra $100 on all this stuff all because FRONTLINE DIDN'T WORK. JUST MORE PHONY CRAP ON THE MARKET THAT TAKES YOUR MONEY.

I have had a ten year old cat for 8 months. I used Frontline twice and it seemed to work. Now the fleas are out of control. I have found some that are "half dead" but as others have suggested, it definitely didn't work. I can't really give my cat a bath as she is old and unaccustomed but I am not sure what to do. We have washed everything and have very little carpet. I am even itchy and have flea bites although I have not caught any on me. I have found tons of black "pepper" or flea feces everywhere after washing everything. I am not sure if it's safe to apply another product on my poor kitty. I did catch her successfully licking herself and now I am worried she will be sick (luckily she is ok for now). I would love to know what to do next.

I adopted a shelter cat and put Frontline plus on him. The cat was itching and scratching continually as if the Frontline wasn't working. 5 days later I see fleas hopping off of him. I have not had an animal in this house for almost 2 years and do not have any problems with fleas. In the past, I tried Frontline on my cats and it didn't work so I went to Advantage which always did the trick. Against my better judgement I decided to try Frontline again and it doesn't seem to be working. My poor cat has allergic dermatitis because of flea bites now and I have to wait 3 weeks to switch to Revolution. Spent 56 dollars for nothing and company warranty is BS. Why would I continue to use a product that doesn't work for 2 more months in order to get my money back? Disgusted with this company.

Fleas are terrible this year. I've lived in New Mexico for over 23 years and have never seen one flea on my dogs. This year we have gotten a lot of rain.... especially for a desert state. And I have seen fleas on my dogs! The scary thing is that fleas can carry the plague and at least 10 dogs and cats in our area have contracted plague this summer and a 52 year old woman contracted the plague last month... and died! I just spent $50.00 and applied Frontline on my 3 dogs last week and today I found more fleas on them!! Argghhh! Frontline is supposed to be guaranteed to repel and kill fleas for up to 3 months with just one application!! But that is false advertising and false guarantee! Frontline Plus is a total waste of money!

Me and my husband bought Frontline Plus for my little dog and one cat. Well I gave my animals a bath. Dried them off completely and applied Frontline like instructed me to and I waited a day hoping I wouldn't see any fleas. I'm not satisfied with Frontline at all. They both still had bunches of fleas so I thought ok wait and reply next month. Did that and still they both had fleas all over and they itched so bad so I'm a little upset. I have a family and we can't afford to waste $80 on something that does nothing to prevent them or kill them, so basically I will never waste my money again on Frontline and if anyone ask my opinion it will be don't waste your money on Frontline. Very disappointed in the product.

I bought Frontline as my vet had recommended it, and it worked for about a week. I did not find any Fleas except dead ones when I combed. BUT just recently I have noticed on the back of my American Staffy's neck, just above his shoulders a patch of missing hair and a sore about 15 cm x 6 cm where I had put the liquid. The sore looks very painful and is very itchy when touched. It is oozing and hair just falls out when touched! On top of that the fleas are BACK with a vengeance! I will not be using again!

I have put many treatments on my dog in the past and a few days ago I had put the new dose needed, and 2 days later my dog was covered in fleas and it was so hard to deal with! I talked to my vet and they said they are having many complaint about the product this year that it doesn't seem to be working anymore plus I have been told this by other pet owners! I know you have to give a star but I was I didn't because they should have 0 and 1 I am more than angry!!

I don't usually write reviews but I really want people to know that Frontline Plus is extremely dangerous. I gave it to my German Shepherd, a 55-pound dog. In within two and a half hours, he died - went into convulsions, was drooling, couldn't stand up, throwing up. I couldn't even get him to a vet fast enough. Very bad product, please do not use it.

Won't get rid of the fleas like they said it would. Have used it in the past, but won't again. After a day fleas are still making themselves at home on my cats... Hope they go bankrupt. My cats are worth than they are...

Do you love your pet? Then don't use Frontline, Advantage, or Advantix! Topical flea, tick, and de-worming products such as Frontline and Advantix are toxic to animals and need to be taken off the market. They are dangerously harming people's pets at an alarming rate. My purpose is to file a complaint to stop the administration of these products to pets, and to get the word out about these flea, tick, and de-worming products to prevent others from making the same uninformed mistake I did and unknowingly harm your dog. Dogs can have mild to extremely adverse effects to these products, including Frontline, in particular. Many products have different active ingredients, but they all work in similar and harmful ways. They are toxic and stay away from them!

Got the Frontline for cats, put it on. 4 days later they still have fleas. Called the company, told them the cats still had fleas. After listing for 15 minutes I find out that the guarantee on the box is not right. They only cover if you use the product for 3 months, at 60$ (three doses) each month. That's a lot of money. If it didn't work the first (as it says on the box) why would anyone buy more? Frontline is a rip off. I'm going back to Advantage. I know it works (the first time).

I applied Frontline 3 weeks ago. Did not kill any fleas! I bought from my vet. Did everything exactly the way I was suppose to. Nothing happened. All my cats still have fleas. I bombed my house, washed beds, sprayed everything in my yard. So why do my cats still have fleas? I have been combing fleas off my cats everyday. No dead fleas on them. This stuff is worthless!! My cats do not even go outside. Will NEVER buy again. It is a waste of money!!

I used Frontline plus as a preventative for fleas before a litter of pups. Needless to say, somehow the pups had fleas at day 3. Because of the pups nursing I haven't been able to use another chemical brand, so all I've been able to do is try and control them through baths. At 4 weeks now my dog's hair starts falling off...even with baths every 3 days. Now I have to explain to people who are picking up pups why my dog looks mangy. Umm don't use Frontline is going to be my answer. I’m at a $110 loss on the stuff plus vet bills. I honestly don't see how they can keep selling it.

Never had a problem with Frontline Plus in past years for any of my dogs. Matter of fact, I preferred it over others BUT this year it's like putting water on a grease fire. My dog is infested. He scratches more than he ever did. I literally pick off more fleas by hand than this product kills. What happened? Someone has counterfeit Frontline or like every other product and food out there. Less is costing more and we all suffer twice.

I gave my 5 month old puppy a dose of Frontline, and now she's not eating/drinking, lethargic, tired... but won't sleep, in a daze/dizzy, weak. I never want her to endure this feeling again!! I only gave 1 star cause I had to put something... I will never use or recommend this product.

I bought it a few times. It didn't work. I have two dogs and they are still itching at £30 a time. I can't afford to waste money.

This product does not work. I have used it in the past and it worked fine. Sometimes only needed one dose the entire season. This year the product is completely useless. I have used it for 2 months on both of my dogs and the fleas are not fazed by it one bit. I have changed bedding, vacuum bags etc. Complete waste of money. Not sure what changed but whatever it is it was def. for the worse. I will never use it again especially after reading about the deaths and seizures which have occurred to others. Sorry for all who has lost one of their pets. How tragic.

I have one small dog and two elderly cats. Frontline has not worked for us. I have been diligent in flea combing and vacuuming. It seems like a lost cause. My dog had to be put on steroids because of extreme itching. I am very upset that I paid so much money for a product that didn't work at all. My vet gave me NexGard to try but I have to wait until the end of the month.

This product no longer works. We used this product as directed by the vet. Every three week making sure to part the fur. We have 1 dog and three cats. 10 days ago we put Frontline Plus on the animals. They are covered in fleas. We have vacuumed repeatedly. We purchased some sticky straps (they show the population) but a flea comb catches even more fleas. Yesterday I purchased a product that has one ingredient different from Frontline and I put it on the dog before we returned home today.

Frontline Plus for Cats - Bought a new box of this at PetCo for my 15 1/2 year old cat. Did not work AT ALL (and yes, I applied it correctly. I've used it in the past and had no problem). Had to resort to several rounds of Capstar (which was recommended by my vet) for weeks after, so Frontline obviously didn't kill eggs or larvae, either. The smell was so strongly toxic I actually watched my cat for any adverse effects. He seemed very out of it after application. Will be switching to Advantage as soon as I'm able.

While living in France my 3 dogs have got fleas. I went and paid 70 Euro for Frontline products. The fleas are still there. Frontline is just one big con, ripping off people and not caring for any animals.. DON'T BUY FRONTLINE PRODUCTS.

Have fleas on both dog and cat, had them taken care of at vet. House is all wood floors. Treated no fleas in house inside, pets only. Treating with Frontline for months now, still fleas product don't work.

We have 4 indoor cats. Circumstances required we needed flea tx. Used Frontline Plus, didn't work, called, told may take 4 mos. 5 mos. later, NOT better! A total waste of our $ & poor cats suffered! Had house tx. & using Program & Capstar, with total success! I gave the 4 baths, treated the house, vacuumed EVERY day, floors & furniture. Applied the Frontline Plus exactly as was directed. Did everything we were supposed to do. It just DOESN'T work! I will write a review on the product that DOES work, which is from petsneedmeds.com.

I have been using Frontline for many years now with no problem at all, but in recent years my pets flea problem has grown out of control. I have applied Frontline for the past 2 months with no results. In fact, our flea problem has gotten substantially worse. How is that if I'm putting a "working" product on my pets? Also, I've noticed something else. For the years, my dear Golden Retriever and my cat have been having dry skin issues, causing them to itch nonstop.

I have two cats. I used frontline once last summer 2014 proactively after cat escaped and never saw a flea. This summer 2015 forgot to and came home from long vacation to find many fleas from the Norwegian Forest Cat being allowed outside a few times. I used up the package from last year in June. The cats scratched much less but a month later began scratching more and we saw a few fleas on the white short hair. We have prevented the cats from going outside.

I put Frontline plus on all three of my fur babies. It did exactly nothing for their fleas. Why did I spend so much for a product that does not work. I feel like an idiot for buying it for them. We still have fleas. How can Frontline plus be sold at the vet if it isn't going to work? You may rest assured that I will never buy another Frontline product. Don't waste your money on it. It's just a rip off and they know it. Do not fall into their trap. Frontline plus is crap. Shame on them.

I applied Frontline Plus on my 3 dachshunds and my miniature poodle 3 weeks ago. Every day since then, I have flea combed all 4 dogs and have removed at least 10 fleas from each dog. Frontline Plus does not work. It has worked in the past, but not anymore. I don't know what I'm going to try now but never again will I buy Frontline Plus.

I applied the top spot formula of Frontline to my medium sized, short-haired mostly indoor dog as I do every spring when the ticks start appearing. It spectacularly did not work! I am just waiting until 30 days are up so I can try something else without poisoning her.

I am diligent about flea medications and heartworm medications. I was using Advantage II with NO problems. My neighbor, who works in pest control was surprised because it is a bad year for fleas in my area. While using Advantage II she had NO FLEAS. He said not to stop what we were using. But, I switched to Frontline Plus two months ago because it allegedly repels ticks, too. She had a flea on her last month, so we bathed her and cleaned the carpets. The vet told us to try one more month and we are sorry that we did. We brushed and bathed her before she went to my family's house this past weekend. She did not have any on her and they don't have fleas in their house but she sure did come home with them from a hike and their backyard!! She can barely do anything because she is scratching so bad. I gave her a bath last night, and there were at least 40 fleas in the water.

On May 7, 2015 one of my three cats had a severe allergic reaction to Frontline Plus for Cats. He was a healthy, nine-month old domestic tabby named Rascal. Within 10 minutes of the application, I found in the litter box, unable to move. His pupils were contracted, he had lost control of his hind legs, and seemed to be in shock. I removed him from the box, and set him on the floor. He was unable to stand. I immediately began washing his body, called my son and we had him at the vet within half an hour. After the initial examination, we were told that he had a very low temperature, and alarmingly low blood pressure, as well as severe neurological damage. They called Poison Control and were told that his symptoms were like those when a cat is given Frontline Plus for Dogs. He was given the appropriate product for his size and age, in the appropriate amount.

This product had no effect on my dog's fleas. We tried it twice but she remained infested. We consider it a total waste of money. We gave her NexGard and it worked like a charm!

I bought Frontline for my dogs & 3 weeks later my dogs are covered in fleas! I thought well it has a money back guarantee so I will contact the company.. They said "oh well you have to have 3 prior consecutive months worth of receipts for us to guarantee the product." I spent $40 on 3 applications that was worthless... I will buy Advantage next time. Beware. FRONTLINE IS NOT A MONEY BACK GUARANTEE PRODUCT!

Used Frontline consistently for years with a now 12-yr old JRT. It has always worked. We would get an occasional tick, but no fleas. This year, in traveling from Colorado to the Southeast, she has picked up fleas and we cannot get rid of them. We have applied Frontline monthly and correctly. We have bathed her in flea shampoo and today, back in Colorado, I have sprayed her with a flea guard to kill ones on her now. I found six. We washed her bedding and toys several times, vacuumed carpets and sofas, washed rugs. Still fleas. No other way to say it, Frontline was totally ineffective. Without a doubt, something has changed in the product. I am two months into a new box; it's not working either.

We always used to use Frontline on all of our pets, dogs & cats. We expected it to kill fleas & ticks & it did. About a year ago I noticed that it no longer works at all, period. Our dog & cats still have fleas after 2 applications of Frontline a month apart. And worse than that, it peels the skin off our cat & causes a painful sore. The vet says they've been getting a lot of similar complaints lately. What have they done to their product? It's now useless & still VERY expensive!

Cocker spaniel treated with Frontline. 6 days later found infestation of ticks around ears and neck. Treated with another dose after removing all ticks. Couple of days later found another couple of ticks. Complete waste of money.

Last week my Mom and I put Frontline on her dog, a Jack Russell-Chihuahua mix. One and one half days later he died. We couldn't figure out what happened to him. He was a healthy 7 year old dog that would walk your legs off. Suddenly he was sick, throwing up, by morning he was dead before we could get him to the vet.

In the past we have used Frontline on all of our dogs. This year 2015 we purchased it at Costco and used it as directed as we always do and our dogs have not stopped suffering with flea infestation. We don't have carpeting and we have changed our bed linens daily but still the fleas persist. I feel like I have been robbed because it is so expensive and I have no idea how to go about getting rid of these fleas which is why I am now searching the internet. Today is Saturday so I doubt there is anyone I can call at Frontline. But I will certainly try next week because I can't afford to be out that much cash for nothing, and I don't think Costco would have a counterfeit product.

To be fair, I rated 3 stars because for years, Frontline had been the BEST! I have 2 large furballs & even though I live in an endemic area, I've have never had a huge problem with ticks, so I don't put it on them until I've seen the 1st one & then monthly until it gets cold again & never encounter another one. Not even a dead one! Did the same thing this year, only went a step further & treated our yard... Well, either ticks numbers have quadrupled, or they're becoming resistant. We are 2.5 wks since applying it, & I have seen at least 1 live tick per day for the last 5 days... However, none have bitten the dogs, so maybe they're dropping off & going to die elsewhere. Still, I'm gonna try anvantix next month coz this is really bad!

I purchased a fairly large quantity of Frontline Plus for dogs as I have several dogs. This was very expensive but it was necessary as heading into summer there are many ticks where I live. I applied the Frontline to all my dogs (making sure I used the correct product relevant to dog weight) on 3 May. It is now 10 May and one of my dogs is still covered with ticks and I'm finding ticks on most of my other dogs too. I think this is disgraceful bearing in mind the price of Frontline. I will never purchase this product again.

Caring for your dog correctly can be expensive and a learning process. By recommendation from my vet I purchased Frontline Plus for my 10lb Maltipoo. The only positive thing I have to say regarding this product is my fur baby didn't have any ticks, however he was completely infested with fleas. I have Frontline another shot the following month - negative, fleas love that **. Long story short, about five months later I finally got a refund from the manufacturer. Complete waste of my hard earned cash. Thankfully I was able to get a refund, and purchased the flea and tick pill by the same company. Works like a charm. Two months later not a little critter in sight.

I recently opened a cattery. I have a building designed and built specifically to meet the needs and comfort of the cats in my care. I have colony cages, windows, climate control, etc. I paid over $2000 for my stud male. (In other words, although I currently reside in the state of Missouri, and puppy and kitten mills abound here, I am not one of them.) I bought my cats over the course of a few months and began breeding them. One of the cats I bought had fleas and I did not notice it at the time of purchase. So, of course, it became necessary to treat all of the cats. Because some of the girls were already bred and expecting litters, it was vital to find a treatment that was guaranteed to be safe on pregnant and lactating cats. It is specifically stated on Frontline's packaging and website that all Frontline products are safe for pregnant and lactating queens. I confidently treated all of my cats.

We have 3 very large dogs, so we buy the extra large 3 month box of frontline. The last two times, it is not working. Our poor dogs got so infested with fleas, they were pulling their hair out, and breaking out for having a allergy from the fleas. We have switched to advantage, and that seems to be working. When I called the company, they just pushed me off.. Something should be done, this is not right.

I have used Frontline Plus for dogs every year since the year 2000 for ticks, here in North Dakota. EVERY year, one application, and I saw NO ticks for about a month & a half. Some years I didn't even have to apply a second dose. THIS year, 2015 I used the same product, in the SAME way, and the ticks are not ONLY crawling on my dogs, but they are SUCKING their blood! And this after only about one WEEK of the application! They have obviously changed the formula, or watered it down or SOMETHING, because it simply does NOT WORK anymore! I am very thankful that my dogs have at least not had the results that some of you others have had, with Vet bills & even death of your beloved Pets!

Frontline stopped doing its job about 3 yrs ago. I used it on my registered Chihuahua "Pepper". I watched him suffer until I found something else that did work "Bio active care" spray. I called Frontline to complain and ask for a refund. All I got was a smoke screen from someone on their payroll I am sure. Pepper is my best friend so thanks a lot Frontline for letting me watch him suffer. I will never forgive myself for buying your product.

I have usually found that regular baths kept my indoor Ragamuffin/Maine Coon comfortable during flea season, even though he likes to occasionally visit the neighborhood cats from time to time. Recently though, he seemed to be losing his hair and scratching at his ears. I didn't know what it was and was very concerned since most of the treatments for mange, ear mites and fleas have insecticides and he is very sensitive to a lot of foods and treatments. He seemed to be feeling worse and scratching more, so I bought the 5-9 lb Frontline for cats (he is 10 pounds) and separated the hair at the back of his neck and just put a few drops on him (not even 1/3 the dose).

I just recently bought some Frontline Plus because my dog was starting to get fleas. It's been several days and he still has them. If it weren't for the flea comb, he would be crawling with them. I wasted my money. $28.00 for nothing!

Used it before many times on dog and cat. Bought a box. It didn't work. Bought another. It didn't work. They have changed the formula. Do not buy Frontline Plus.

One word, useless! My dog is full of flea after 3 days of application.

I purchased this product to use on my dogs, as they had picked up fleas! I treated all my dogs, as per the instructions on the box. I also treated my cat with Purina Total Care Spot-On Treatment for Cats. All of my dogs bedding was changed and the old bedding destroyed and my house was flea bombed! A week later my dogs still had fleas, in fact more fleas! So I treated them again with Frontline Plus with a slightly higher dose, a week on top of that my dogs still have fleas! To me the proof that this product does not work is the fact that there is not a flea anywhere on my cat!

My home was infested with fleas as well as my animals. It was months before I realized the problem and using Advantage for my animals and sprinkling diatomaceous earth in my home and outside, did I finally get rid of them. Now that it's available in the stores, I feel that the quality of Frontline is compromised.

I have been using Frontline Plus for years with good results. Now all of sudden within the last 2 months the Frontline Plus is not working at all and my 2 Shetland sheepdogs adults have fleas for the first time. They also have developed some form of flaky skin dermatitis, probably secondary to having fleas. Not sure what Frontline Plus did to their product to cause it to be ineffective. Any recommendation for another flea/tick product that works by killing the fleas and not harming the dogs? I won't be buying anymore Frontline since their product appears to be a placebo now. I heard from my sister that Comfortis or Trifexis works better, but cost more. She uses Trifexis on her Sheltie with great results. I rather shuck out the cash than have a big Vet bill later so goodbye Frontline Plus! Yes, I agree there should be a lawsuit done on Frontline. Let me know if that happens as I will be glad to participate in a class action Lawsuit.

I have a 6 kg 4-year old Pomeranian cross. For all her life I've treated her with Frontline Plus, as in Australia, paralysis ticks are a serious problem in summer and mean death for dogs. I had no issues until January 2014 (our summer) when my dog suddenly developed a flea problem. I thought it was just a passing infestation as I've never had it before and still trusted this product to be working - I simply re-administered a new dose (the last dose before that was around 2-3 weeks ago). However even after a week, the fleas were still there. I thought the box I must have used was faulty/dud. So I opened a new pack of Frontline Plus and gave her a dose. A few days after that, I still found fleas on her, and had to conclude Frontline Plus was no longer working.

I have been using Frontline Plus consistently on my animals for years with satisfaction, until the last 4 months when they started to scratch and get sores. When I went to my local vet a month ago and told them what was going on, they said maybe I need to have the house sprayed for fleas. I purchased more of the Frontline, bug bombed the inside of house (we always have kept up on pesticide use on the outside of house as well) and still no luck. After reading other reviews, it seems the fleas have more than likely become immune to the Frontline Plus. I am going to try a different product now and try and get a refund for the last batch of Frontline I purchased. Will write back with results.

I have been applying Frontline per instructions to my cat. It has been 4 months now and the poor cat has had no relief whatsoever. I'm finding fleas on him. He is an indoor cat and was let out. Once there are no fleas in my single room that I live in. I paid 70.00 for this product which is quite a bit of money for me to have to shell out. I contacted the company and they gave me some bull.

Tried Frontline on my cats 2 weeks ago for 1st time because of tick protection and just found more fleas on my animals. On top of that one of my cats is scratching so much that her hair is falling out and she has a terrible rash. Will never use again and staying with Advantage! I'll deal with ticks on my own.

My Vet, because Merial has Frontline Plus, distributed by the Vets and they do, upon complaint of fleas, put Frontline Plus between the shoulder blades on the dog's back. I had to leave town, came back in a week, the dog had ripped half of his hair off, thick hair, standard Poodle, and was scratching all the time, quit eating and became lethargic. Took him back to the Vets. I told them Complete Allergic Response to the Frontline you gave. Vets deny this because they are afraid of a lawsuit, Ran tests and dog was in complete renal failure, and would be dead in a few days. Seizures followed and though I gave her last-ditch treatments, she died. All the Vets are denying it because Merial gives it to them to sell and make a large profit.

I have been using Frontline Plus for years, in December 2014 I opened a new box that I purchased from 1800petmeds and it doesn't work. Between December 10th 2014 and now February 10th 2015, I've applied it 5 times and today, I killed at least 14 fleas off my dog. What's going on? Anyone knows? I'd like to know if they've changed the formula or are fleas resistant to it? I bought a flea and tick collar and I hope that works, if not...I don't know what I'm going to do.

I used this product as directed and it just didn't work. Even after 2 applications my dog was still infested with fleas. Eventually took my dog to the vet who prescribed an alternative treatment which cleared the problem in 24 hours. Contacted the company who denied there was a problem with Frontline and wouldn't entertain a refund. Save your money. Take your pet to the vet and ask for an alternative to Frontline.

Bought and used this product for 4 months and saw absolutely no effect! Called Frontline help desk. Was told the backyard and the walk sites need to be treated and got the flea lifecycle story. What ever they say, this product does NOT work.

PLEASE DO NOT USE Frontline Plus on your pet!!! My 100 lb. American Bulldog has had a severe reaction to this product! We have used Frontline for several years successfully with no issues. However, this month I applied Frontline Plus and within a day, he had an open wound at the application site that bled and oozed green puss. Additionally, patches of his hair began to fall out excessively. When I noticed this, I immediately washed the product off and gave him antibiotics. This seemed to heal the application site wound but now a new wound on one side of the application site has developed with the same symptoms. Furthermore, he is now urinating himself and has not eaten or drank water for two days. TAKE THIS PRODUCT OFF THE MARKET FRONTLINE!!!! SHAME ON YOU!

I have been using Frontline on my dog for 10 years. It has always worked. As I live in Australia, in paralytic tick country, I rely on it for its properties against paralytic ticks. But just in the last few weeks my poor dog is having a huge flea problem. I have applied Frontline 3x in past 3 weeks, but it does not seem to be working. Have washed all of his bedding, left it out in the sun, vacuumed daily, but the flea problem persists. It was interesting and also annoying to read that others are experiencing this same problem with Frontline.

For more than 8 years I have successfully used Frontline Plus on my two cats and one dog. I know how to apply the product properly. Frontline Plus has stopped killing fleas and ticks in my area. The local news station even did a report on the flea problem and questioned local vets to see if they've noticed a difference in flea control. Many local accounts support my stance that fipronil is no longer effective.

I used Frontline Plus on my shifty and he almost immediately lost function of his back legs. He became progressively weaker until I eventually had to put him down. I had taken him to two different vets and told them I believed it was Frontline. This after finding many reports online reporting exact same results or seizures, vomiting, and a host of other fatalities. The vets insisted Frontline was safe and put my dog through many expensive tests. I learned later that it is critical to wash your pet immediately in New Dawn to keep the Fipronil from spreading. It affects the nervous system. Do NOT use this product. If you have, immediately wash your pet with New Dawn, nothing else.

I have used Frontline Plus on our dogs for many years with good results. If I found a flea, I would apply the product and not have to worry about fleas again. What has changed recently? Last June we noticed a few fleas on our dog and indoor only cats. We saw no results, and in fact as the months went by and we kept reapplying the Frontline, the animals and our house became increasingly infested. I called Frontline in August, and they told me that I had to use the product for three months before the fleas would be completely gone. Also, I had to treat the environment. Well, we treated with Frontline for six months, and treated the environment. Result: still infested! We switched to Capstar, Wondercide and Advantage II. I would highly recommend these products. As for Frontline: class action suit anyone?

If I could give zero star I would. This product has been water down or formula changed as it does not work. At first I believed to have purchased a bad batch and repurchase product - IT DOES NOT WORK! Will call Merial Frontline Company and complain like everyone here.

I have used frontline and frontline plus on my dog for the last 3 months. Not only do I use it monthly but due to paralysis ticks here in Australia, I use it every 2 weeks. I wash my dog. (never before the required 48 hour waiting period) I take him to the beach and hold him in the water so therefore, I personally control his fleas a lot - and yet here we are both Buddy and I with fleas jumping on us. I am disgusted at the asking price for something which obviously has not been upgraded to cater for resistance. This was the last time I will ever purchase frontline again! AND if my dog acquires paralysis tick and it kills him I will be after formal enquiry. My pooch is my life. I couldn't have kids, I'm on a pension and fork out $60 AUD for my dogs comfort and safety.

I put Frontline on the back of my cat's neck base of head as per instructions last night. This morning, been very sick, stayed in her bed. Not had this reaction before. Thought I would try a better brand. Not again. She is a Bengal. Very precious to me. Looking for a natural product from now on.

I have been using Frontline for years for my collie & Sheltie with no trouble at all. This year, days after applied they started scratching constantly. Biting at the tail so much hair was missing, biting inside the legs so much leaving sores and scabs. Had an awful sore on the top of his back (where he cannot get to and he is an inside dog) that was bleeding and oozing. This spot that was infected just so happens to be the spot where I parted his hair to apply the Front Line and about a week later, I noticed the big knot of blood dried hair. Now, I cannot say this is due to Frontline. My vet says that the cold weather can dry their skin out pretty bad and can cause the constant scratching and biting. He also told me I could use the pet supplement Fish Oil and this will moisturize their skin. I bought the fish oil, and am laying off the Frontline this month to see what happens.

I am a former veterinary technician who has used (and recommended) Frontline for YEARS. I am currently battling a severe flea problem. I am angry and (not) surprised to hear about other people's complaints that Frontline is not only NOT working, but refusing to reimburse them for expensive pest extermination from professionals. Don't put "guaranteed" on your packaging if you won't stand by it. And don't assume people are stupid, and can't "apply" it correctly between their pet's shoulder blades. We all did what we were supposed to do, to no avail.

I've bought many products in my life that claim to work a certain way and don't but never have I bought one that made things worse than before using it but this product does just that! My kittens flea infestation is worse now than before I used Frontline! I've never seen anything like it in my life! I paid over $40 for only 3 doses of this crap at the store and it was a complete waste of money! Now I don't know what to do because you're not supposed to apply flea meds like this but every month and it hasn't even been 2 weeks since I put it on him but I can't take the fleas. They're so bad. I'm really tempted to buy a kind that actually works and put it on him. They are now jumping on us and they weren't doing that before! He doesn't even go outside! I went on Frontline's website to see if they had a money back guarantee and of course they make it where you can't get your money back because of all the stupid stipulations they have! I will never buy this product again! I hope they go out of business!

Spent an absolute fortune on Frontline Plus for dogs, followed instructions and lo and behold this product DID NOT WORK!!! Had to go out and spend another fortune on COMFORTIS for dogs and this product actually worked!! DO NOT BUY FRONTLINE! YOU WILL SPEND A FORTUNE FOR SOMETHING THAT'S CRAP! IF YOUR DOG HAS FLEAS BUY COMFORTIS. IT IS THE REAL DEAL!

Our shelter purchased 60 doses of Frontline Plus for Cats. We had 2 cats arrive that had fleas and we in a population of 8 cats. We treated all 8 cats. The small room that the cats were in was sprayed and bombed. There is an epoxy coated floor and minimal bedding that had been removed and trashed prior to cats reentry. 2 weeks following the treatment the original 2 cats still had active fleas. The other 6 remained flea free. Contacted Merial and they stated that only product that was purchased from a veterinarian and been used for 3 consecutive months may be refunded. They stated we still must have fleas and that we were out of luck and out the $594 we paid for the product. Buy something that works all life cycles and continues to work for 30 days. Frontline Plus is not that product.

I have been using Front Line Plus Dogs 45-88 lbs. for years. 5 years for my current dog and 7 years for previous dog. I have a cat 14 years old and have used Front Line the whole time. I have never experienced a problem till this month when I applied it on my dog. Day after applying the Front Line dog started scratching/biting at herself. Hair everywhere on my floor. She has been doing this for 4 days and it does not seem to be letting up. I searched her for fleas and cannot find any or any evidence of fleas. I called and reported it to Merrill and was told no one else is having any problems. Hmmm now I am wondering as I am seeing all these reviews. I will probably be in the vet soon with my dog. I am currently trying to help her by giving her Benadryl and she is still scratching/biting herself.

Found these consumer reviews while reserving possible reasons for my dogs on horrible flea portioned this year. I bought Frontline at my vets office a few months ago and have been giving them their regular monthly doses but to no avail. They are constantly itchy, have scratched raw spots and created sores by chasing all the fleas they are carrying. We have given flea baths, Dawn washes, even got flea collars to try to alleviate their infestation. These extra measures have provided some relief, but the fleas just keep returning. We have flea bombed and washed EVERYTHING too. Is it the Frontline or do these fleas have super powers?

No results. So disappointed in this product I bought from my vet. Full 2 months and still getting fleas of my cat and I've treated the house. I flea comb daily and still find them. Going to see if I can return unused product to vet and try not her brand.

I have purchases Frontline for a number of years for my cats but will not be buying this product again. I bought Frontline 2 weeks ago and it just doesn't work anymore. I don't know what they have done to the product but I will not be buying again. I am really disappointed as this is not a cheap product. I will certainly be telling family and friends not to buy it either. I'm one really dissatisfied customer.

I have used Frontline on my animals for years. Never no problems until this year. My dogs are covered with fleas. I have always used it as instructed and never a problem. Something is very wrong when you see all the reviews of others having the same issue. Shame on the company for charging so much for a product that is supposed to work and the animals still suffer and so do the pet owners. This product should be taken off the market. It is a rip off.

This product is a joke, an expensive, wasteful, dangerous joke. My cat had fleas this year - never had them before. I took him to the vet because it was so bad. He gave me a single dose of Revolution. Took our cat home and it was almost immediate relief. The vet said to dose him every 30 days, and that Frontline would probably be fine. He only sold Revolution because of the other parasites it kills. Well, I spent $50 on a 3 dose pack of Frontline Plus at the pet store, applied it after 3 weeks since the initial Revolution dose (he was getting a little itchy again) but the stuff does not work, at all. Our cat is getting very itchy again, very fast, and now that I've re-dosed him with this crap, I can't do a Revolution dose again for several weeks. Revolution, by Pfizer works amazingly well. Frontline, you've wasted my time and my money, and risked my cats' health. I hope you’re listening to all these terrible reviews. You owe every one of us our money back.

My dog has been scratching himself raw and my cat has scabs around her neck and up her chin to her mouth caused by scratching. I have used Frontline for years but this year it is not working. My poor (dog) guy has fur missing on his legs, hindquarters and tail from licking/nipping. I've only seen 3 fleas on him after a bath (3 fat juicy fleas) earlier this week. I was told using Dawn would help as the soap "knocks out" the fleas (not really knock out but they seem to fall off quickly). I'm guessing I will try something different. I am so glad it is not just me having problems and I'm glad I did a search for Frontline not killing fleas...

I don't why I should even bother to give the product a star when it fails to do what it's intended completely. Zero stars and I am pissed off!!! Both dog and cat have had two doses in less than two weeks because I couldn't believe that there were still fleas running around after four days of the first application. There are still fleas running around both of them and I swear I can see them giving me the finger!!! Please spread this information on social media and let’s put these ** out of business.

We have been cat owners for 2 years, every time we purchase Frontline instead of Advantage (which will NEVER happen again), my cats end up with fleas. I have applied Frontline every 3 weeks (to the day) and it does not make a difference how often I use it, because the product is ineffective. I plan to find whomever it may be that I need to contact in order to have this company investigated for fraud. It is clear from all of the online websites and posts that I have found that what they claim to be making available to consumers has been altered at some point over the last 12 months and that their resulting product is ineffective. I am aware that a company has every right to alter their product, but to my knowledge Frontline has not made any changes to their labeling over this same time period, and that is something that should have come along with these changes. I'll stick with Advantage... It works effectively and consistently!

Applied Frontline 4 days ago, November 2014... still finding many fleas on both dog and cat! The price is ridiculous and does NOT work, not sure what to do now. :(

Do not use this product. I purchased this product for 39.99. Placed it on my two kittens on a Tuesday. I was still seeing fleas. Sat had to take them to vet. Purchased revolution and cats were free of fleas within 2 hrs. I called the Frontline customer service and I had receipt. They said to give me a refund, I would have to use it for three months. They do not stand by their product. If you care about your pets do not trust Frontline. Please do not waste your money.

I used Frontline plus on my dog. I switched from a generic brand called Sentry, big mistake. I paid 35 dollars for a 3-month supply and it doesn't work. He has fleas. I even gave him another dose three weeks in, still didn't work. I thought I was applying it wrong so I had someone else do it. Checked 3 days later and they were everywhere! I feel so bad for my little baby I can't do anything. He keeps itching. I thought about calling the company but as I see from the reviews it looks like they wouldn't have done anything anyway. I should have stayed with the generic brand that worked perfectly fine but I thought 35 dollars for the real deal I should get it since I heard good things about it in the past. HUGE MISTAKE! Don't buy their products! Waste of money!!!

I've used Frontline on my Maltese dog for the last 3 years. I always use the product according to the instructions given. Up until recently she's never had a problem with fleas. She is professionally groomed every month, and the groomer found a few fleas, along with evidence of fleas in her coat. For the amount I pay for this product it should work. I purchase Frontline through my dog's vet, so there's no way it was tampered with. I'm just very disappointed because I trusted this product to continually work and protect my dog.

The product says it's ok for puppies of 8 weeks and older. My puppy is over 8 weeks and once I used it on him about an hour later he started having seizures and vomiting. I had to rush him to the vet. They don't know how to diagnose it. This stuff kills animals and shouldn't be SOLD ANYWHERE.

I have used Frontline for 6 years and never had a problem, until the last 3/4 months. I noticed my dogs have been scratching all the time. One of mine actually had a flea bite reaction and got a "hot spot" and I took him to the vet. Explaining I applied Frontline after flea baths 2.5 weeks ago. He told me I could use Frontline every 3 weeks. I went ahead and gave baths and reapplied. 1 week later took them in for haircuts and they told me they all had fleas and charged me a extra 10$ each for flea baths. We left town and left dogs with dog sitter and she said they were always scratching. Last Saturday was 3 weeks from last application, gave them baths, reapplied and today after non stop scratching...fleas. What the heck? After reading the complaints I feel like the company is watering down the product. I am so pissed. My dogs have been miserable all summer.

I'm so glad to see all these one-star reviews, because when I called Frontline and told them that their product did not work and I wanted my money back, the woman on the phone acted as if mine was the only complaint they'd received and why on earth would someone call to say their product just doesn't work? Perhaps they should read this website once in a while, because it most certainly does not.

I have been treating my 5 cats for years with Frontline Plus. It has always worked very well until this year. The fleas are considerably worse than before treatment. I am getting ready to bomb the house for fleas. After reading all the bad reviews of Frontline I can't understand why Frontline changed their product without stating so on packaging. Will never buy it again.

I have been using Frontline for at least 9 yrs on my dog and it always worked great. We did get a cat about 8 months ago but was using on her as well. No problems until Oct 2014. I noticed my dog was scratching and biting at herself A LOT! I was having trouble sleeping since they both sleep with me or in my room every night. It got so bad that I took my dog to the vet because she had bare spots on her hind legs and scabs on the back of her thighs and tummy. The doctor looked for fleas and found none. He prescribed some type of pills that I give her twice a day and he suggested bathing her every week for about a month.

I called Merial company today October 28 2014. I spoke with a lady. She was very nice. I told we had used this product for at least 10 years and liked the product and had put on our cat Callie for the last 10 years. But the last 2 months it wasn't working and now my home is infested with fleas. I explained we had bombed our home but was still having problems with fleas on our cat. For some reason the product is not working. Maybe it is being watered down for more profit. I was told one time and one time only they would reimburse me for Aug, Sept, Oct 2014. I had bought 3 packs of Frontline plus for our cat Callie. Talitha said I would need all three receipts to prove I had bought the product. I ask you, how many people save receipts for this type of protect for 6 to nine months? Not very many. On the box it says satisfaction guaranteed but on the box nowhere does it say you need 6 to nine months of receipts. See this is their way out of paying if their product doesn't work.

I have dealt with this company for about four years now. I have had nothing but excellent experiences. They are able to offer name-brand products at much lower prices than you can obtain from your veterinarian. Many people say that they are misleading by selling Frontline Combo (the British version of the product made by the same company) for a price that is about half what my vet would have charged me. You can get the true Frontline Plus product (again, made by the same company) for a higher price, but they are identical prices -- the only difference is that one is made for the US and one for Great Britain. I typically receive my orders within a week or so and I have never had a customer service issue. When I have needed to contact customer service, they were very helpful. I would recommend this company to anyone without reservation.

I have used this product for years with success. This year my two dogs and cat have had fleas. Obviously Frontline is no longer effective. I called their 800 number on the package and was told I would have to produce a receipt. Why would I keep such a thing? It is obviously a way out for these dishonest people. DO NOT USE FRONTLINE. IT DOES NOT WORK AND IS EXTREMELY EXPENSIVE FOR A FAULTY PRODUCT.

My beautiful cat Panda is dead. Dead shortly after spraying for fleas. He was healthy until I sprayed him and shortly thereafter he was found dead. And I know it was the spray. I wondered why he didn't answer me (I heard a faint meow) but was doing gardening and then I looked for him because hadn't seen him in a while. My neighbor heard me calling and asked me if I had a cat. She found him dead in the garden - meters from where he usually goes over the fence. He was quieter and a bit listless when I last saw him but I was mowing lawn so when I couldn't find him I thought he was lying in the sun somewhere. But he didn't come when I called (he always did) and then my neighbor called.

Bought 1- box frontline plus for 3 large dogs. It did not work, fleas still happy. Called frontline, they said it takes 3-months to work, and it will not stop fleas from jumping on your dog or hitting it. They said it still will take up to 18 hours to kill every new flea, and as far as the refund if you're not fully satisfied, well I was told I had to buy the product for 3- months first, then they will only refund one purchase. *Who continues to buy a faulty product for 3- months when you find out after the first purchase it's worthless, ** and to make things worse, I bought it at Walmart. ** frontline says they don't sell to Walmart so they won't talk to you about it. They just expected me to just hang up. Well I know Walmart doesn't buy from the black market, and Walmart is huge. Frontline sells to the company that sells to Walmart. I gave them $44.00 and won't get it back. I say buy another brand and don't support such crappy companies that *take your money and run*. Crappy frontline, misleading consumers to get the sale, crappy crappy...

I bought Frontline Plus for my cat because it had fleas and my friends love it for the dogs. I put 1st dose on in Sept. 2 weeks later I checked my cat because it was scratching, he had tons of fleas so I reapplied Frontline Plus. I called and complained and the lady I talked to said it wasn't the Frontline that isn't working, my house must be infested. Mind you I bombed my house right after first dose of Frontline. Now it's only been 1 week and tons more fleas are on my cat and my cat is an inside cat only. I am very disappointed with Frontline Plus. I feel I got ripped off. Now I'm going to have to pay a vet bill because you sell junk that don't work and charge people an arm and a leg.

I have used Frontline in the past with good luck but this year 2014 the Frontline plus has not worked on any of my dogs. Both of my Poms got fleas which we have never had before, ever!! Both dogs also had skin reactions after the applications. Just bought a Havanese pup in Sept 2014, vet gave me Frontline Plus and I put it on her and the fleas seemed to just multiply and not die. This product DOES NOT WORK!!!! Frontline you should be ashamed of yourselves for selling this non-working and dangerous product.

Have always used Frontline with great results. We travel and always prep the dogs prior to leaving with Frontline. This year it's not working. First time my dogs have ever had fleas and the Frontline does not faze them. Really disappointed in this product now. Will not purchase again.

I have been using Frontline for years on my cats.... one application, one whole month, no fleas or ticks. However, the last TWO purchases the product does not work. My cats for the first time actually had ticks embedded in their skin!!!!

I've used, and been very happy with frontline for over 6 years for both dog and cats.... always bought direct from VET in 6 pack, with 2 free. This last dose I applied to both dog and cat did not work... All 3 were scratching just 6 days after dose. I never re-apply, but did... Again, just 5 days later, I saw my poor cats scratching, and the dog too. Closer examination showed live fleas. In the past, if ANY fleas were found, they were slow, sick, and, about to die. Not these.. They were very active, and a google search brought me here.

I have used frontline for years and my parents have but since they have changed this product, my dogs and cats have been riddled in fleas even after treatment and after, everywhere in the house has been treated. I am so unhappy about this, it's a waste of money. Either the fleas have become immune or frontline are doing something different. It is so expensive and worthless, not worth buying. Should be taken off all shelves and out of vets and go back to the original frontline.

For over 17 years we successfully used Frontline Plus on our single cat. Five months ago I purchased the Frontline from a different online source for an extremely low price. It has failed to do the job. I assumed it was a counterfeit product or was out of date. I went online to see if Frontline had an expiration and found that many, many others had been experiencing failure with Frontline after years with no problem.

We have used Frontline on our pets for years and have not had a problem with fleas. This year is a different story: Our two dogs (Jack Russells) and two cats were treated as a matter of course at the beginning of September but we noticed excessive scratching so checked the animals and they had fleas. We treated again at the end of September and guess what? They are still covered in fleas! We usually buy the product direct from the vet but the latest ones were bought from 'Just for Pets'...waiting for a telephone call from our Vet practice. Not happy.

Frontline plus - Used this on each of my 5 cats at the cost of $14.00 per cat per dose. Did not work at all.

This product I put it on my cat, he started throwing up and losing his hair at site I put the Frontline on. Do not use this product on your pets if you love them. My vet says this is not a good product either. So I will have vet do the maintenance from now on. My poor cat is outside a lot and tried the collars breakaways, and he was attacked by a coyote. The collar came off which is good but won't let me put another one on him. I think it scared him. So we are letting our vet take care of the fleas & tick problem. Please do not use this product if you love your animals. Thank you.

Doesn't work--- at all!!! Big rip off!!

I have been using Frontline Plus on one of my dog for 5 years, the other dog for 2 years. While we lived in Texas never had a problem. Now that we have moved to Georgia and I use Frontline Plus it no longer works. I don't know what they have done. I have bought my house. I have trade off the yard. I have washed the dogs. I have traded the dogs. I have done everything I possibly can and nothing works. I'm not using the product any differently than I have for 5 years. It is like putting water on them. They are constantly scratching. I am constantly getting fleas off. This product is like putting water on them. It no longer works. I am so upset with this. I feel so sorry for my boys.

I put Frontline Plus on both my dogs and within a week, both were throwing up, diarrhea and lethargic. One has gotten better, the other will not eat.... and barely drinks. I have never put it on them before. Has one else had any issues. We have been through every test imaginable and have found nothing.

Two weeks ago, we treated our mastiff and two cats with Frontline. Our dog still has a roaring case of fleas. One cat seems to be fine but the other has become very sick. He has slowly stopped playing, eating and drinking water. After an emergency visit to the vet yesterday, 8/27/14, he had a fever and was very dehydrated. We are hoping that our cat will not go into liver failure. I am pissed beyond belief that this product states no warnings on the label and the dosage reads that kittens older than 8 weeks can be treated along with no adjustment for size of cat. This is dangerous.

I AM NOT AT ALL HAPPY WITH YOUR "GUARANTEE" FOR A WORTHLESS PRODUCT THAT I PAID A LOT OF MONEY FOR. I bought 12 doses of Frontline plus from Petcare RX. When it came I dosed our 3 cats. They had fleas within a week, so I contacted your customer service and was told that they would send some pills and to dose the cats with frontline again when I gave them the pills. I complied, but a week later they had fleas again.

I've been applying Frontline on a regular basis. In October, I noticed my pug scratching. I bathed her and gave her a dosage of Frontline. Cleaned the house, sprayed with chemicals, mopped with vinegar and dawn - that helped for a week. Then, I noticed that she was still scratching. I'm changed my bedding nightly, vacuuming everyday and washing her bedding and my couch covering. It was time consuming, frustrating and embarrassing. I was arguing with my husband about the fleas... Then, it occurred to me that maybe there is something wrong with the product. I visit this site and here are dozens of people who experienced the same. I am down right pissed that the company would change their formula and not say a word about it to consumers. They have lost my trust. I will NEVER buy their product again. Furthermore, it shouldn't matter where I purchase the Frontline - my vet or Costco. It is the company's responsibility to ensure that their product is not sold as a counterfeit.

I have used Frontline for years and never had a problem until the last 6 months. I also follow the directions to a tee and all 3 of my dogs still have fleas and are scratching like crazy. My female yellow lab has developed bald spots between her legs and groin area. It's making me crazy - we are having to bomb out house again. I have had her back to the vets and now will be going for a 2nd time when I call my vet in the morning. Anyone have a idea what to try next?

My little dog had picked up a flea. Stanley is a sable/white Jack Russell Chihuahua cross. He was scratching a lot in his tummy/groin area. I checked him and could only see one flea. I tried to catch it but it was too fast. I bought 3 treatments for a small dog which cost 24.99 (more than 8 pounds per treatment). I followed the instructions to the letter and applied the treatment to skin (I parted his fur) at the back of his neck. The flea/fleas were clearly distressing him so I waited 24 hours for the treatment to work. It didn't. That was a week ago and he's still area itching. I'll have to make a vet appointment tomorrow and get it sorted. I'm going to return the Frontline for a refund from the chemist where I bought it. I'm very angry and disappointed.

I do not like Frontline. Every time I use it, my cats start hopping around and digging. Fleas seem to feed off of it. I will never buy again. I've wasted so much $ on it. I can't afford it anyway. Now need to come up with $ for something else. I really trusted this company.

I'm furious, I was recommended off several vets for this product and it's useless. I have a 6-month-old pup that caught fleas. I followed all instructions to that like washing all bedding carpets, upholstery and even my bedding and carpet cushions, etc. I bathed him thoroughly before drying him first then giving him the Frontline. 2 weeks later, he still has fleas. I have repeated all process again and even got a carpet, upholstery spray, etc. I even put salt in my carpet. I then done another dose of Frontline and yet, he still has fleas. I paid £23.00 for a product that doesn't work. Anyone, help me please!!!!!

We had used Revolution on our cats for the past 6 years. Vet suggested Frontline this time, as it is supposed to also repel ticks (we are in northern New England - tickville). We have NEVER had a flea in all of the years using Revolution. This year our home is now infested and our newest cat, 4 month old Fiona, is covered. And the other 4 cats are scratching like crazy! My husband is also being bitten by fleas in the house. Now we have to bomb our home with chemicals and I am NOT HAPPY! We are planning to return what we have left of Frontline to the vet and put the kitties back on REVOLUTION!!!

I put Frontline Plus on one of my Pugs and she still has fleas after three weeks. It does not work! My male Pug broke out with puss pimples, bald spots and scaly skin within 3 weeks of applying Frontline Plus. We were panicked and rushed him to our Vet. We were told he has Hypothyroid. He came down with this disease after we put Frontline on him. I WILL NEVER USE THIS PRODUCT AGAIN! We read that medications can cause Hypothyroid. It's a devastating disease. He is now on meds to help him with this disease. I have no "proof" Frontline caused this, but the timing was right. I'm so sad for my beautiful big hearted Pug boy. He looks bald and so sick.

My cat is five years old and this is the 1st year she got fleas and it has infested the whole house and my husband is very allergic to the flea bites and he has bites all over his body. He has been miserable all summer. We have done everything to get rid of the fleas in the house. We have bombed all the rooms and sprayed and used that white powder and we gave the cat a flea bath twice and got her a flea collar and my husband had to go to the Drs because the flea bites got swollen and caused more itching and his Dr put him on prednisone. Everyday we vacuum at least 2 to 3 times a day and spray everything and we still find them.

I was reading the comments on the reviews for Frontline. I was glad to see that I am not the only furious person. We have pretty much a small size farm at our house. We have a 7 month old puppy, a 10 year old dog, and we also have four cats. I spent all this money on Frontline and bombed our house and spent tons of money and along with all of you had NO results, all are covered in fleas. I'm so angry. I will NEVER buy this product again even if they change their formula. They lost business!

I've been using Frontline plus for years. This year, not working. My dogs have chewed themselves raw. I took them to the vet and they had to give them steroid shots and a spray for the house ($122.00 later). I called the 800 # for FrontLine and asked why it was not working and if they had changed the product. They told me that nothing has changed and now I'm reading that it has. They said they would give me a refund after 3 months use. So now I have to buy more although it doesn't work and added vet bills. Do not buy this product!! Do yourself and your pets a favor. Makes me sick to see what my poor dogs are going through.

Wish I had read the reviews before I purchased this useless product. Way overpriced for something that doesn't work at all. My cat scratches more after I put this product on him. Does absolutely nothing. Don't waste your money on this stuff. It doesn't work at all. What a rip off.

I have used Frontline on my dog for years. I have had a bad flea break out and had to use this on my indoor cats only. 1 of my cats became really sick, took her to vet and couldn't find anything wrong. So I applied the next moths Frontline not thinking it had anything to do with this issue. I was wrong, my cat started to vomit, sneeze and twitch. She wasn't acting like herself then all of a sudden, she had a stroke like seizure. She is at the vet and she has ran all kinds of test, still can't find anything wrong. Her blood shows low protein and glucose.

Used it less than a week ago and it worked for a day, then she was covered!

I have been a loyal customer of Frontline for more than 15 years. I have 3 dogs now and previously had 2 others. I've used Frontline on all of them. Last year, we had a strange summer. Hotter than normal. We had a bad infestation of fleas. Never missed a dose of it on any of my dogs. We had to bomb the house as well as treating the dogs in between doses. We had a good cold winter and no fleas in the house or on the dogs. Now, we are infested again.

Used this product before with great success. This year no results at all!! Called company for refund and they say you have to use all three applications before it will work??? What, okay so I will call you in two more months for my refund!!

We used Frontline Plus on our 2 indoor cats 3 weeks ago. I noticed today, they were scratching and found live fleas. I called the Vet and was told Frontline was not making same formula, so upon their advice, I ordered some from them to be picked up. I was concerned that the receptionist didn't seem very knowledgeable so I went to PetSmart to talk to someone in their clinic. I was told that Frontline has lost its effectiveness in several states including NJ. They are working on a new formula, but in the meantime they recommended Advantage. So far so good.

I have been using Frontline Plus on my dog for last 3 months. I noticed my dog was scratching and rolling around on his back. He also had flaky skin. I just thought it was fleas or skin dryness. I continued to apply Frontline on a monthly basis. About 4 weeks ago, I noticed a raised bumpy area along his spine where I apply the Frontline. I had him seen at the vet yesterday revealing many open and scabbed sores which the vet said looked like a reaction to a chemical due to its location. The only thing that I ever put on him is the Frontline. He is now on antibiotics for 2 weeks. I have noticed several other reports online of the exact reaction in relation to Frontline.

I loved Frontline. It worked great. But not anymore. So tomorrow I am going and getting my money back from costco and buying something else. The fleas didn't die, they just avoided the location where we put it and were on the tail and their front necks and their mouths. They were worse off.

I bought Frontline Plus from Costco because I saw that my Maltipoo has a couple fleas. When I got home, I applied it to my dog and he began to scratch even more. I even gave him a shower before to remove some of the fleas. The next day, more fleas appeared on my dog! After 2 weeks of waiting, my dog still could not stop scratching himself. I was afraid that I didn't apply the product right so I gave him another bath and he has three times the amount of fleas he had before. I applied another Frontline Plus on him and there's still no change.

Applied on my dog last night and had to rush her to emergency room. So $185.00 later... she came home. Don't trust this product.

Killer: the operative word - not repellent!! It's a joke!! And at the expense of out pocketbook. It will kill the tick but only after the tick has bitten your pet and infected it with Lyme Disease. Use Flea and tick collars as a preventative and deterrent against TICK Bites. My collie/aussie was just recently diagnosed with Lymes, which came as a blow, as I applied Frontline according to direction. After careful review of the wording on the package, I soon realized that I was the idiot and that this corporation milked me of my hard-earned money - supplying nothing more than a toxic to kill the thing that has already bitten and infected my pet with a disease. Folks! Pay attention to the wording on package! It kills ticks but only after they have bitten. Frontline gives only FALSE SECURITY!!!!!!