Frontline Reviews

FrontLine is 100% better, more effective than Hartz Ultra & Advantage flea/tick 30 day treatment. Also Hartz Ultra would cause my cats to have bald spots in the area of application.

Don’t buy this front line product. My dogs had a flea every now and then cause it was time to replace the collar they were wearing. Put this on them. Now covered in fleas. Customer service said my house had fleas and my yard. You just keep put on every month so they get richer and we lose our dogs. Breaks my heart seeing my babies so miserable. Can’t afford vet meds. I’ll figure so out.

I am freaking out! My 9 month old Corgi is 24 pounds. I only used 1/2 tube between her shoulders, she is limp, not feeling well, what can I do for her?

Only a one because there is not a 0. DO NOT PUT THIS SHIT ON YOUR DOG. MY DOG IS DEAD THANKS TO THIS SHIT. A 5 year old extremely healthy Irish Setter. Gone just like that.

Gave my cat Frontline by directions. She got very sick. You are taking a chance of hurting your precious pet if you use it. I have to not recommend it. I think fleas are safer. Or using a natural repellent rather than this.

Doesn't work!!! I bathed my dog 3 days before with flea & tick shampoo, as suggested, I constantly vacuum my house, fleas are only on my dog! Didn't work at all! I don't make enough money to be wasting on bs.

This is an EXTREMELY DANGEROUS PRODUCT!! After application, my dogs were playing, got it in their mouths. One dog was deathly sick for over a week and the other one died within FOUR DAYS after application. A healthy YOUNG year and a half old dog went from being top health to DEAD in FOUR DAYS! I'm still taking care of the other one who stopped eating for days, lost a lot of weight. I have had to force feed him and he's finally starting to recover two weeks later. Never again will I EVER use Frontline products ever again. I would suggest you don't either. Read the FINE PRINT. It can cause severe reactions and death in dogs. I am not sure why a product that can kill dogs like this is available over the counter.

My dog had an adverse reaction. I called the company and they told me to wash with dish soap. The vet prescribed ** for the itching. The dog became very irritable and tried to bite my son which is out of character. The itchiness went away after a few days and he seemed to be getting better even though there was a hard spot at the application site. Now the hair is clumping and falling out and he has a bald spot a little larger than a quarter. The vet believes it is a chemical burn from the application. When I called the company for monetary compensation for vet visit and treatment they said I had to proceed in writing and hung up on me. My veterinarian is helping me file the paperwork but I’m still out of pocket for the vet visit until I hear back.

I bought this product for the first time to try and my pet. The other products I was using were not bringing me satisfaction I wanted, so I tried Frontline the more pricey product hoping if I spent more I'd be more likely to have it work better. Guys read reviews first. I wish I did that before I bought the product. My dog has never used this product before either. I started the first treatment and mind you he is a inside dog so he don't get fleas or ticks like that but the problem got worse.

Frontline Plus killed my dog within 48 hours of using product. My dog could not move her back legs and was paralyzed with extreme pain. Do NOT use this horrible poison. The customer service did NOT help.

I used on my 2 dogs and fleas just kept getting worse. Customer care said it was because bathing my dogs washed it off. I waited 3 days before bathing. She said you can only use a dog shampoo, especially saying very gentle. Any excuse to get out of guarantee it seems. Box says satisfaction guarantee.

I bought Frontline and put on my 3 inside dogs. Needless to say it’s June 22 and my dogs have flea infestation and now I’ll have to bomb my home. Such a waste of 40.00. Now I’ll be calling the vet tomorrow to see when I can get **. Totally not happy. You should give a refund.

Twice now I have purchased this product in hopes of giving my dogs relief from the fleas, and it is beyond ineffective, I might of well just sprayed water on them, probably would have been better off because now they have chemicals on them that did not even help.

We have always used Frontline on our 4 dogs and never had a issue. UNTIL now I bought 2 boxes spending eighty dollars and it did NOT WORK at all! I just got off the phone with Frontline and in a nut shell they do NOT CARE in the least! All I wanted because I figured that batch was not good, is just replace my boxes and it was no! They asked the most dumb questions I have ever heard, which with all these questions they were searching for a reason it was my fault.... NOT that their product did not work! When you are paying more for their product than others and it does NOT work... time to find another brand. God help you if your dog was hurt by this product because I promise you Frontline will blame you... not them!

Don't buy Frontline for your pet, it used to work on my dogs couple of years ago, now it's less effective. First use my dogs are biting and itching constantly now than before apply. The money I spent on this product is no longer worth the value and the safety of my 2 dogs.

My two rat terriers have had SEVEN engorged ticks on them in the past two months since using this product. I sent a picture of one to the company that makes Frontline, and told them what happened. (See attached photo) They claim they take this "very seriously,' but would not stand behind their "guarantee" because I didn't purchase from one of their preferred distributors. Meanwhile, my dogs continue to come in the house with wood ticks and deer ticks, possibly infecting my cats. This is a horrible product and an irresponsible company. They should be put out of business.

I have been a consumer of Frontline for the last 3 years. As of lately, I’m not sure if they’ve changed the ingredients in their product, but it doesn’t have the same potency as it did before. It’s useless. I have been treating my cat for 3 mos and it’s not working.

I’ve used Frontline Plus for years and the last 18 months it just does not work!!!! We have ten chi-weenies and apply it correctly to each one and they never stop itching or biting! You can even check them one day later, two days later and so on and you’ll still find fleas crawling on the skin. FRONTLINE PLUS for 10 dogs repeatedly is NOT CHEAP especially when we’re applying it bi-weekly and no change. Purchased at COSTCO and WALMART.

Honestly, wish I could leave a "zero". I have purchased this product over the years and it always worked well. But somehow the formula has been changed! For anyone claiming this product works, you are being dishonest. After realizing the application did not work, I applied a 2nd application 2 days later. Now, for those of you who have wasted your hard earned cash as I did, laugh with me! Because we know the truth, that the product has been changed.

My dog groomer recommended Frontline for small dogs (I have a small Maltese 6 lbs when wet). He was always a small white cottonball especially when blow dried. Unfortunately, I applied the topical medication directly to his skin between his shoulder blades. By the 3rd application his hair was thinning and I noticed a change to the color of his skin. Long story short, he is basically furless now except for the fur around his legs head/neck areas. I changed his diet and give him supplements for his skin/coat nothing works!! DO NOT use this product if you are not completely sure that your small dog will not have an allergic reaction.

Frontline states clearly on their box that it kills fleas and ticks. I have used it for years and it doesn’t work anymore. My dogs not only got fleas but one has Lyme disease. The veterinarian says it doesn’t work and recommends not to use it.

We’ve used this for as long as we’ve had dogs which is 15 years. This past summer (2023) we have struggled with fleas on our dogs. They’re all inside dogs and we’ve never had issues with fleas before now. I’m not sure if the formula has changed or what is going on but I def will not be buying this ever again.

My dog had fleas so I put Frontline Plus in between the shoulder blades. 30 minutes later I saw her skin start turning really pink. To make matters worse it didn't even kill the fleas. Fleas were all over her face and body. We had to shave off the hair and now she has this big hot spot and painful for her. I am never buying this product again.

Absolutely ineffective, Don't waste your money. This product does nothing. I am 53 and never have I ever had an issue like this. This flea medicine and many others no longer work. Buyer beware. Buyer beware.

I found two kitten and they were full of flea so we bath them in Dawn dish soap, brush them with a flea comb and waited until the next day Like the direction state before Appling Frontline for small cat 1.5 pds. Within 3 days after they both were loaded with fleas, it was like we didn't use anything. I been combining them 3 times a day now, spraying my home daily. I'm afraid to use anything on them beside dawn dish soap until the frontline has wore off. I will be using the Seresto collar instead. I have 2 other cats that have these collar on and with the Kittens having bad flea problems, I didn't find one flea on my other 2 cats. If I would of knew I can use seresto collars on kitten I would of bought these instead of frontline. I'm highly disappointed in Frontline

I bought this product for my cat. In one month my cat passed away. She was 13 months old and healthy. I would advise to my worst enemy NOT TO BUY this product! 12 years ago I used Frontline for my dog. He died from sarcoma of the skin. People need to be aware about Frontline Plus. DO NOT BUY THIS PRODUCT.

I bought Frontline Plus for my dogs and cat. Used the first month absolutely no results expect the flea have tripled. My dogs' second month absolutely no results either. Ten years ago I used this and it was great. Now my dogs are miserable. I lost way more money than that company should be allowed to charge for sewer water. Absolute trash.

I've been using this product for years but this last year it has not worked at all. Within less than 2 weeks my pom chi is covered in fleas. Now after reading reviews I'm shocked to have read that pets have died! OMG!! Are you serious!! You are selling an expensive product that is killing animals and doesn't work! What is wrong with you! Never again! How could you?

Treated two cats and both lost hair. Attempted to contact and got nowhere. Used it for years and it was our go to and kept my house of 6 cats free of fleas and ticks. Now it causes bald spots, fleas don't even reduce in number and ticks are also oblivious and unaffected. It doesn't work and hurts animals.

This product used to work, it no longer does and they it is still the most highly regarded, costly topical treatment on the market. When I tried to report this to the company, it disconnects. Scam product now.

I rescue animals of all kinds. I put Frontline Plus on my five small dogs and the fleas are still all over them. This was wasted money that I can’t afford on a limited income. This product is expensive and for it not to work is a waste! I am on disability, since I can’t work a normal job I started an animal rescue. It gives me purpose. I will no longer recommend your products to those ask my advice. The cost is outrageous for a product that doesn’t work!

I applied this to my dogs for many years, and so did the shelter where they lived. They eventually got cancer and I'm uncertain if it's related to Frontline. They lived a very active life even to the end and had the highest quality dog food. One of the dog's cancer became prone to seizures. I noticed after time that he'd have a seizure within a day of applying Frontline. I stopped giving it to him and he never had another seizure.

My cat has got sores on her tummy after administering this killer product. She stopped eating, and was not herself after applying this product. She his now on antibiotics and ** for her sores. I BEG YOU PLEASE DO NOT USE THIS PRODUCT ON YOUR CAT. It will do more harm than good. It might kill fleas, plus kill your cat as well.

In May of 2019, I used Frontline on my beloved 13-year-old cat NeiNei. Within hours she could no longer stand up fully or walk straight. She fell over constantly, lost her appetite, and the once happiest little girl in the world was looking lost and upset. I called the vet immediately, and we agreed to monitor her. The vet was unaware of Frontline causing neurological issues and attributed the situation more to her age (13). I know she was happy and playful before I applied the Frontline, and yet only hours after she was on her way out. I never believed it was a coincidence, and I still blame myself for applying the flea treatment.

Please do NOT use this product on small animals. My enigmatic, fun loving, energetic Yorkshire Terrier Aged 10, who won prizes for his wagging tail has died after using Frontline flea product (measured for weight) with Toxic Lymphoma. First dose ever end August 2020 caused lymph nodes to swell to 4cm diameter and organ failure, died 4.44am 1st November 2020. RIP. Tragically Unfair. Please note 1 star is minimum, I wish to portray none. Please adjust Consumer Affairs.

After using Frontline Plus for cats during the last week of August 2019 our beloved cat Annie died on September 1, 2019. He organs literally shut down and there was no reviving her. This product is toxic and lethal! If you are wondering why I waited to write a review the simple fact is I was too upset and I blamed myself for using it. Until recently I could not even look at her photos without crying. Our Maine Coon Andy, Annie's brother survived although he had minor side effects. He too grieved for months after her passing. Frontline Plus should not even be sold! It is toxic! It is lethal! Frontline Plus will kill your cats!

Do not give your pets for a night. I I had a nine-year-old Shih Tzu and this product killed him. He started having seizures and tremors in the barely walk and then stop eating and then stop drinking and died. I gave him his medication August 18. He started acting funny around the 20th. Seizures that the vet was no help. He died today September 5 at four in the morning. This company needs to be exposed. Do not give your dogs this stuff. Do not give your kids the stuff. It is poison. They killed my dog. This is crazy. My dog was perfectly healthy before I gave him this and regardless of what warnings on the box if you know and all these people are complaining you have lost pets why are they still in business?

The vet prescribed this because they would not sell me bravado until I made a well check appointment, I understand that but now my cat has lost 6 pounds and isn't doing great. So another appt to come for her. I am absolutely angry about it and am feeling guilty because I put it on her and now watch her diminish slowly in front of me. I'm hoping she will bounce back. She is an outside cat and energetic usually now she is in the house most of the time sleeping. I don't want to lose my cat. I'm not ready for that. She was my mom's the first 5 yrs of her life before my mom passed away. So NEVER AGAIN will I use this. She is still young to me and has many more years to come. I hope we can turn this around for her.

This is 3 days after the second application, the first application was 30 days ago and this morning I removed 6 more ticks. I removed 12 yesterday. I did not know or suspect any insect infestation on the dog until I cut her hair. The complaint desk tried to up-sale me onto Nexgard which requires a veterinarian prescription. They will refund purchase price if I have proof of purchase. I will replace the bed and use a valid tick insecticide on the downstairs.

I had 2 dogs. I just lost one of them who to chronic seizures this year as of April that led to paralysis and brain damage even though he was on seizure meds prescribed by a vet. My other dog also had 1 seizure a day after an application. Both dogs had been on the meds for a few years. Their seizures tended to happen just a day or two after Frontline Plus application. My vet took my existing dog off Frontline and Heartgard immediately. I believe some dogs' systems do not dissipate these chemicals over the course of a month resulting in a toxic buildup. These meds are - you guessed it - neurotoxins. Am heartbroken over my recent loss of the sweetest rescue I've ever had. Will never use these products again.