Hills Cat Food Reviews

I had 5 cats, one had cystitis so vet put him on CD feline prescription food. Gave it to all my cats. Caused runny poo in 3 of the 5. Was on autoship with Chewy.com. The cat that it was prescribed the food passed away before I could cancel the final food shipment. Opened that bag last week and I noticed my cats ate less and less daily. Two of my cats started vomiting with diarrhea this past week. The only change was the new food bag. Apparently it is tainted. Chewy will refund the money and was given a reference number and a telephone number to call M-F during business hours so I can speak with a Hills representative. Going back to the vet tomorrow since one of the two cats is still ill. Not a fan of this overpriced product!!!

We listened to our vet and put our cat on the C/D formula food after he had urinary tract infections and the vet told us he had crystals in his bladder. At first things seemed to go fine. We switched him and our other 2 cats over to the C/D food from our previous brand. We dealt with some MASSIVE hairballs and a little bit of throwing up of the food but we switched them directly over and didn't transition them due to worry about the one cat's health. We asked the vet about the hairballs and vomit and he said it can be normal when switching food.

Both of my cats were put on Hills CD for crystals in their urine, one cat consistently vomits her dinner up a couple of times a week, the other has now been diagnosed with kidney and bladder stones, calcium in origin. Researching this food I have seen issues with the CD diet creating too acidic of an environment, which then creates calcium (kidney) stones, also all the corn products produce oxalates, also increasing the incidents of calcium stone formation. I do believe this food is garbage, evident in the dozens of dead flies I pick out of the bags. I have never purchased any animal food in all my life that literally has dozens of dead flies in it, I guess they can increase the protein content on the label now. Will not be purchasing any more Science diet brand foods anymore.

For many years I believed the commercial pet food companies and I killed all my pets. Then I did some in-depth research. After I finished crying, I started to feed my beloved friends differently. It was difficult and expensive yet worth it. You would not feed a human baby potato chips and other junk food. Do not do it to your pets, especially cats. Cats are obligate carnivores - peas, carrots, wheat, barley, etc. are useless. Cats eat grass to help them vomit hair and fur, and void bowel matter, not for nutrition. Vets sell this stuff for two reasons: 1. They make a bottom line profit; 2. The animals get sick and the vets get more business.

My cat transitioned to Hill's ok, but he often won't finish it. Odor is awful to this human. Also, food variety is sparse. But it has seemed to help his urinary problems.

All 4 of our cats eat some version of Hills Science Diet prescription foods. We are very happy with the product and we believe the foods are helpful in keeping them healthy.

I feed my 8 year old Maine Coon Hills c/d kidney because he needs Special food. O'malley Cost us $2000 in doctor and surgical bills for sort of what I called kidney stones or granules/grit in his urinary tract. He loves his Hills c/d and I feed him wet and dry. We buy the food at PetSmart. He has lost some weight and recovered very well. Hills seems to be very good. I purchased Hills through my vet at first making it a bit more expensive, but now I have a prescription to go to PetSmart to get his food, Hills c/d Kidney. He was never a finicky cat and always ready to try a new brand, but now we only do Hills. It is what the Doctor ordered!

Hills Cat Food was recommended by our vet for our new kitten. I feel confident that the ingredients are of high quality and the taste is great for our kitten. Our kitten just gobbled it without questions either it’s a dry or wet food.

My cat had a blood test three month ago for regular routine check up, with BUN 71 and Creatinine 1.9. My vet suggested to change the food to Science Hills k/d and rechecked three months later only finding BUN to 169 and Creatinine to 6.9, getting worse. After treatment with daily fluids and change food to Royal Canin for about a week, the result of those two index still remained the same. So my vet suggested to put her away last Sat. I just cannot believe what went wrong, the only change we made was to change to Scientific Hills' k/d food. I am so upset about that. Hope this will help people when they want to change food for their beloved cat.

My cat went on Hills Science Diet c/d after having urinary tract infections that started in 2010 when I got her. She never had one when she was on the diet but if I went off they would come back. She would get bored with the wet food so finally I switched to Fancy Feast wet food and Hills c/d Dry food which she has been on for about 3 years with no issues. A few weeks ago I took her into the vet and she was diagnosed with an oral tumor which grew so quickly she needed to be put down yesterday. It's called Feline Squamous Cell Carcinoma. An oral cancer. She was 10 years old and an indoor cat that was well taken care of. I don't know what caused this but am concerned if the food had any impact and it seems like regulations are lax. Sharing this in case it's happened to anyone else.

My cats have been on Science Diet Senior (7+) Hairball Formula for 10 years and it was like CRACK to them -- by far their favorite. Suddenly, with the new bag, they are very disinterested in it. In fact, they won't eat it. Same with the Adult (Ages 1 - 6) Hairball Formula. Even my outside cats, who will eat anything, and the POSSUMS won't eat it. I called Hill's and was rather rudely told that each batch is tested and it must be the way I store the food/gave it to my cats/some other external reason that they quit eating it. I have 12 cats. And they used to love this stuff. I don't care what their testing revealed, I know my cats and when they quit eating something en masse, there's an issue.

Please pay attention to your kitty if feeding the wet C/D prescription food. My cat was on this food for 10 years therefore I did not notice the decline in her health immediately until we went to the vet and they told me that she had lost a pound. I started monitoring her like a hawk and she begrudgingly was trying to eat the food, she started scratching her face till it was a big bloody scab and her hair was falling out in clumps. I switched her over to Wellness 3 months ago (she only like the Pate) and she is like a brand new cat that is not being poisoned. Her weight and energy levels are up and her skin and fur are better than ever. The vet ignored me when I told them there was a problem with the food and I was taking her off it ASAP.

I recently bought my second bag of the Science Diet Indoor Age Defying dry cat food. Prior to that I had been using the Nulo brand, but thought I would change things up a bit. Yesterday, one of my indoor cats was throwing up his dry food non-stop (it comes out yellow, and nearly in whole bits). My other cat who is his sibling, had a seizure!! Her legs went out under her, and her eyes starting moving back and forth, then her head started to do the same! We rushed her to the emergency vet. The vet said that she was nauseous (she was salivating a lot), so they gave her something intravenously to help. She is better now, but I am convinced that it had something to do with the food! Needless to say, the first thing we did when we got home was throw away the food. Please watch your pets closely when they are on this food.

Hills Science Plan for Young Adult Cats - I have been feeding my cats Hills food and I'm devastated at what I'm reading about it. My vet has stopped selling it but won't say anything about it when I told her about my concerns. She's the reason that I use the food as she told me it was the best for my cats. One of my cats always threw up every so often and the vet said it was hairballs but I never saw a hairball in what he threw up. Now he's having bloods taken tomorrow and I'm worried sick about it. I'm waiting for other food I've ordered online to come, and I don't want to give my cats anymore Hills but I don't know what to give them in the meantime. Please help! Can anyone give me any ideas on what to feed my cats until the ordered food arrives?

I had 3 kittens without mum. 3 weeks old. I was bottle feeding them and start giving Hills canned food but they did not like to eat them at all. And every time after eating food they start threw up. And start noticing they having diarrhea. Took them to vet few times and they couldn't find the problem. 3rd time they have told me it has to do with the food they eating. So I change the food. And they start getting so strong and playful and they love to eat the new canned food. I have more than 30 cans of Hills food which I have throw away. I thought kittens will die the way they were, thank God they still alive. I will never use Hills products ever again. I saw the vet they selling Hills brand also. Most foster care use Hills Brand. They did nothing to help and totally stood behind the Hills brand when I told them. Please ban them selling this pet food.

My cat was fine. FINE! Ate a lot. About 8 days ago, she had dental surgery and was kind of wiped out for 24 hours but then ate again and was walking around. I took her in for a follow up and the doctor mentioned she had elevated kidney (something the other doctor failed to tell me before I got her teeth cleaned). She gave me samples of Hills. After the second can my cat threw up and started acting funny. On the 3rd day I knew something was wrong (she is an overeater but was eating zero food) and took her in. They took new blood tests and she has intense pancreatitis. I am blaming Hills. My poor little baby is dying or at least it feels like it. Am horrified, depressed. LIKE WHAT HAPPENED? They pulled the Hills off the shelves. I think she was poisoned by this food. I plan on getting to the bottom of this and hope to heck I do not have to call a lawyer but am mad and very very upset as you can imagine.

I was told my cat was overweight. I had been using Hill's dry food for about a year but changed to Hill's Metabolic. After 3 weeks he was drinking a lot of water and urinating a lot and was very unwell. I took him to the vet who I told I thought it was the food. No way. He did a blood test and I was told he was diabetic and he was put on insulin. Ok for about a week and a half, after that he was extremely hungry and was not well. Took him back. Another blood test done and he was low sugar. Very ill. Told to take him home and give him food. This was repeated again 3 days later. He has now been taken off insulin. Within a week he has improved immensely. Cat humans need to be aware of their gut instinct especially where Hill's cat food is concerned.

My veterinarian prescribed Hills K/D Prescription Diet kidney care dry cat food for my female cat. I selected the chicken flavor. My vet told me it would be OK to give this to my male cat as well. The cats loved the food. However, my female cat started itching constantly and losing her fur around her face. The vet said it had to be a problem with the ingredients in K/D. She recommended a hypoallergenic dry cat food, which she didn't have on the shelf. I threw out the remaining K/D and my cat immediately stopped itching. My male cat had no problem with the K/D. However, he has been vomiting often for a while. I wonder if the vomiting has something due with other food I give the cats.

We fed our Tabby Hills CD due to crystal issues for years with no issues... he was super healthy and had no crystal problems. We noticed the canned food changed in both texture and overall appearance. Our boy instantly refused to eat it... prior to this he love it and would beg for meal time. So it was very odd to have him refuse food. What little he did eat he soon after would cough, vomit and froth from the mouth. My mum's dog also notice a change in the cat food. Prior to the new batch of CD he loved the kitty food and when he visited would do anything to get it... he sniffed the new CD and totally refused it. After seeing that a dog would not even eat it we ran to the store and started feeding a different brand. Kitty went right back to begging for meal time and stopped the frothy vomiting. I will never use Hills products ever again. Our vet did nothing to help and totally stood behind the hills brand.

My cat had surgery about a year ago for kidney stones. The vet recommended the Hills science diet urinary canned cat food. I have been purchasing it from the vet ever since. My cat is not fussy and will eat whatever I give him preferably canned food. I also buy Hills dry food for grazing. I returned a few cans in the past as they were seeping at the top and when I opened them the contents were black. Last week my husband and I both noticed that the cans were watery with hardly any substance. I am not happy with this product and feel I should be able to purchase a good product over the counter as long as I read the label and see the byproducts within.

Hill's Prescription Diet Feline z/d Skin/Food Sensitivities - This is super expensive food (fine mousse in tins), but the cats won't eat it. I have tried mixing it in (small quantities), they still won't eat it. I purchased it online and now have to send it back at my cost.

Our cat is overweight and because of this she occasionally flares up of what the vet refers to as "diaper rash". Her butt becomes red and sore. Our vet suggested that we change her diet to Hills D/D skin sensitive to see if her problem was coming from the food we had been feeding her. We agreed and began feeding her D/D hard food. After about 6 weeks on this food we noticed a significant weight gain. We fed her the amount indicated on the bag - and pulled the food up once she had eaten.

I had 2 cats. The older girl was almost a year and the other, a boy, is about 4 months. We had been feeding them Hill's science diet for indoor cats. The kitty had some smaller food but seemed to like the science diet as well. However the kitty started throwing up after eating it and we couldn't figure out why. We thought maybe he was overeating or eating too fast. After awhile it seemed the kitty still had some trouble but older one seemed to not have any issues. Though we had seen blood on their noses before and we assumed it was from them playing but I'm wondering if there were showing signs of poison before. It's a very hard thing deal with.

Cat with IBD has been successfully treated with ** for a while. She's gone more than a year without any significant bowel or vomiting issues barring the occasional small flare up. Along with that she has been eating Hills' Science Diet I/D food as 50-75% of her diet. It was great for a long time. Healthy and tasty because she ate it all up and was doing great. Only exceptions: A couple of months ago I gave her some fresh (new package) dry I/D as usual when I was gone overnight one night (Longer than that she gets a cat sitter and her normal wet food). This has never been a problem as anytime I am gone for just a night this is the routine. No pain or diarrhea usually. But this time, when I got home, she was in pain, had at least a pound of diarrhea in the litter box overnight! (Ok I didn't weigh it but it was a lot!) And scoots all over the floor, and was lifting her hind leg, screaming and unable to sit right. Never seen her in such pain.

My cat's health has declined since feeding him your "not" healthy food. I have already spent over $800.00 getting him better. I told my vet that I believe it to be the z/d diet. He said not to discontinue it after I went in for the 5 to 6 times. I asked for another vet and got very loud to fix my cat. I then took my cat completely off all the z/d and it's been at least a month and a half and is getting better each day!!! I will NEVER purchase your product ever again!!! Oh and I know about you guys previewing complaints and not posting them. So don't be deceiving or I will go further with my complaint!!! I do feel that Hills should reimburse me for all I had spent to get him better. I live check to check every week so this was a very heavy weight on my shoulders but my fur baby means the world to me and I feel like your product almost killed him.

Sorry this is long, but the story has unfolded over the last 7+ months: My cats with inflammatory bowel disease had been doing very well on Hills prescription z/d canned food for over a year, when without any warning, Hills changed the formula of the food. Suddenly, the cans just said "improved formula" on them... With no forewarning that anything was about to change. I realized something was amiss when I opened the first can of a new case of this "improved formula" and a) it smelled horrible and b) the texture was weird, gloppy. I checked the date on the can to make sure it was not spoiled, and then realized it was an "improved formula". Fortunately, I still had several cans of the original formula available and I promptly opened up one of those cans and tried to transition my cats over a 7 day period to the "improved formula".

I have a pet sitting, dog walking business and I am constantly horrified at the number of people who feed "Science Diet" because their vets have told them this is a healthy diet for their cats/dogs. It doesn't take much to tell that the fillers and content in their products are NOT healthy and although cats and dogs can live on the food (like some people can live a lifetime on junk food) it undermines their general health and shortens their lifespan. The fact that vets get a kickback from Hills and Purina (a whole other story) is unconscionable. Vets traditionally know little about pet nutrition and it takes research to develop a knowledge of what is healthy or not. Corn is not. Carrageenan is not. Wheat is not. Chicken by-product meal, Brewers rice, and neither are preservatives.

I have a mixed tabby that is 4.5 years old. I've had him since he was a kitten and in his 4.5 years of life, he has never had a problem with allergies, foods, etc. In fact, he has never turned down any food and was a bit overweight the last time I went to my vet, so I was recommended to put him on the Hills Metabolic Diet in chicken flavor.

I think it is good for our cats, but it is very $$$ and I can almost "never" get coupons for it, and I have to go to the vet or tractor sup to get it or go out of town over an hour drive to a PetSmart, or get online. "Again it would be nice to get coupons from time to time."

On 10-28-16 I contacted Customer Service at Hills Science Diet about the dry cat food that my cat has been on for a number of years. He has Irritable Bowel Disease and was put on the i/d Formula (dry and moist food). It had made a big difference in his bowel movements. He was not going as often and it made his stool firm instead of diarrhea. Several days prior to Oct 28 he was having diarrhea several times a day. I happened to notice, in small print, on the new bag of dry i/d "Improved Formula and New Kibble"... which is why I called Customer Service.

My vet recommends the Hill's cat food. My 6 cats just love it. The kibbles are sized small enough for all ages. The cats do not eat as much as the lower priced foods making Hill's Science Diet a great deal for the money.

My cats are on the Hills Prescription k/d chicken flavored dry food. All 3 love it, but won't touch the seafood flavor. It's really expensive, $25 for a 3 lb bag. Also, they've been out of it for a month or so.

Both my cats have enjoyed the food. They always eat plenty of it but do not gorge and self on it. They have healthy coats and bowel movement. I have been very pleased with the result keeping the cost of the product in mind.

My vet recommended it. I have been feeding my cats this brand for 12+ years. I have been able to move to a different formula as my cats have aged and their needs changed. Their special formulas tend to be expensive so I do feel like they inflate the price. It is harder to find the specific formula I buy so I have turned to buying it online which is saving me money in the long run as I don't go to PetSmart as often and spend extra money. The company seems to rebrand/repackage quite a bit which can be confusing at times.

Science Hill brand has various foods for various issues your darling cat(s) may have and that's what I like and my 3 cats love about it. It is a 100% quality product for sure. I just wish the price were a little less and also that they made a 32/34 or 36/pack set. Overall, it's an A+ product.

Hills changed their formula for their z/d canned cat food a couple months ago and our cats will not eat it. We have a special needs kitty that requires this special formula so our other two cats eat it as well. They LOVED the old formula and I've wiped out the shelves that still carried it. They will not touch the new formula and I had to return many cans to Pet Smart. Now I'm out and I don't know what to do!

After eating T/D Science Diet one of my male cats became very ill. I noticed he wasn't behaving like himself but he had just been to the vet for a regular visit in the past few days. I started feeding him T/D Science Diet. I thought he was stressed from the vet visit that was just a routine checkup. Approximately seven to ten days later he was vomiting, no bowel movements, abnormal vocalizations, dehydrated, and lethargic. I rushed him to an emergency vet hospital to find that he was constipated to point of obstruction/impaction.

I don't usually take the time out of my packed day so that I can post online, but I am frustrated with all of this "Hill's bashing"! We have MULTIPLE cats (and I have a BS in Human Nutrition) and will ONLY feed Hill's products to our cats. While I do not discount people's pain when they have sick animals, I do want to post a voice of reason. Don't trust all of these terrible posts as valid/legit - they are mostly/probably competitors who want to damage this company (P.S. Happens in Washington all the time! Big PR agencies are hired to "hurt the opposition"). Our rescues have longer fur, are healthy (one is a senior) and have been eating Hill's Ideal Balance and also Prescription Diets for YEARS! They are the GOLD STANDARD - and others do not even come close to the high quality of Hill's foods. Ask your Vet what THEY feed their animals - and then decide for yourself!

I noticed recently the consistency of the food changed dramatically and can even vary case to case. Then I noticed the "improved formula" on the label. All of which explains the reaction of my 11 year old cat who has been on the original for 9 years. What a relief at that time to finally find a food she could digest without chronic diarrhea and vomiting. This change in formula has put us back at the starting gate. I'm sure there are others feeling the same effects. I purchase my food from Chewy.com and will be sending them a similar complaint.

Our sweet Simba was diagnosed with urinary crystals 2 years ago. I had read a lot about cat diets and was not on board with the idea of a medicated food, but after his 2nd bout with the crystals we had to follow the vet's advice and give the Hill's prescription food a try. It did seem to help with the crystals, but after a year now, he suddenly slowed his eating of it. He was on the dry food. He had over the past months had more and more frequent episodes of vomiting. Sometimes hairballs, but other times not.

So I'm going to vent here. I tried to send an email but the webpage "isn't working". I am SO very tired by animal food companies messing with the food. NEW AND IMPROVED my foot! I USED to have three cats. Now I have two. My oldest was diagnosed with IBD 5 years ago. I never could get him on to any food that would stop his vomiting. I finally had to let him go last week. Now my other two cats. One was put on to Science Diet Z/D canned and dry because she's starting to have an issue with several foods (don't ask, but understand I literally have tried EVERY food out there... Don't believe me? Then ask and I'll send you the list.) On the Z/D she has now cleaned her entire belly from mid waist to between her legs of any and all fur. It is red with scabs. And she's terribly bloated.

Hill's Science Diet cat food causes obesity and diabetes. If you don't believe me, read the rest of the reviews! I've had issues with Hill's Science Diet Cat food in the past. I had another cat that I adored die from diabetes and he was fed Science Diet. I thought at the time that it was just something that happened. 12 years later I'm here again but with 3 cats. They eat it and either throw it up and don't seem to not be able to get enough. My cats are fed at certain times and get wet food as well. This is worse than the cheap cat food. I've switched to a better brand that hopefully can reverse what Hill's Cat Food has done to them. This is poison. Please spend more or even get cheap brands. Your pet will pay dearly if you don't. Poison. Complete poison. I'm so mad I can't see straight. You need fed this crap.

I have used Science Diet Original for over 15 years including when I ran a cat shelter. It was expensive yes but the health of the animals was worth it. It was the only thing I would buy my cats and it kept them healthy. I'm not sure what happened. You switched bags and decreased the amount in the bag and apparently changed the formula. I would have lived though unhappy with the new bag and decreased amount but the new formula is making my cats sick. My cats would only eat some when starving and throw up when they do. Their fur is rough and unhealthy. I have had to switch to another cat food for them to be okay. There is no point in spending the kind of money that your product costs anymore though I have done so in good faith for many years to the betterment of my pets. Why did you try to fix something that wasn't broken?

I recently bought the Original formula, I noticed my cats stopped eating a lot of it. I got a different bag, the one for cats 1-6. HATED THAT ONE SO MUCH that they only ate enough to survive. Switched back to Original (the whole time I thought I was getting the wrong bag) No! I got the correct one.. they hate this stuff. Both cats hate this newer formula. I also noticed that the bag got smaller by 3 pounds and the new seal close strip does not work well, it keeps coming open and the price is really expensive and it feels like I am getting ripped off!! We were LOYAL SD eaters for 7 years, I am no longer going to purchase Science Diet. Why did you ruin the food? You lost another 2 cat family purchase!

My six year old cat developed a urinary blockage and it was suggested to use Hills CD. I used the wet food and then tried the dry CD for cats. My cat started losing weight/vomiting and was generally tired. He developed diabetes. His blood sugar was 555. Normal for cats is 104-240 I think. I just happened to look at the ingredients on the CD dry food and it had 35% carbs!!! My research began and found out cats should NOT be eating carbs as they are strictly carnivores. Long story short, I feed him a pure meat diet from a cat food you cannot find in the box stores. No more diabetes! It's been 5 months now and I still check his sugar once a month. No problems at all. His blood sugar is normal! He had tremendous energy and his coat is soooo silky. I blame Hill's Science Diet for this. What a racket!

My vet told me 3 cats were overweight (2 were 15 and one is 16 years old) and they put them on this Hills metabolic feline food. They were only on the food for about a year and now one is diabetic and the other has an inflamed pancreas and has to take steroid medication for it. It has now cost me well over $3000 for all the procedures for the 2. Today they are not overweight, but the other one who didn't get affected by the food still is overweight. I do not think it is coincidental that 2 out of the 3 cats are now sick with similar illnesses. They are now off the food for about 8 months and are getting better, slowly. Their food is Go Fit and Free and a permanent diet of home grown barley grass for the enzymes, but they are still sick. Can someone please tell them to do more research on this prescription diet? I am hoping they will survive this. :(

I have been using the Hills Science Diet Cat t/d cat food for ten years now, but in the past two years I have noticed a strong odor that smells like cow manure or some other form of waste when opening the bag. In the meantime, I began to look for other foods to feed my cats. My one cat would only eat the t/d so I continued to purchase, as the odor has not always been consistent until this last year and most recently in September 2015. The odor was so bad that I threw the food away. I contacted my vet to report the food and so they became aware of this issue if any animals became ill. I also contacted Hills but my complaint was not addressed. They only sent a form email back to me. In addition, I reported my experience to the FDA. And I encourage other people to do so as well. It would be awful if any cats became ill or fatally ill after ingesting this food. Thankfully, my cats are well and no longer eat this food.

I always use Hills Science Diet dry food and my cats love it except for the low fat variety! I had to give up using their canned food because there was no variety, sometimes it was so runny it was like liquid and the price is exorbitant. I changed to fancy feast.

Hills has the best dry food for hairball control. However, our cat gets tired of it periodically and we have to augment it with something else. All in all, it's a good brand.

I used Hill's Science diet both canned and dry food for the last 30 years and have not had a problem. They make excellent cat food. The problem now is the cost. I can no longer afford their prices so I have now switched to the Costco Kirkland brand for their dry food and Friskies canned food... just so much cheaper. So far so good. The cats seem to be doing OK.

I feed Hill's Science Diet Indoor cat and have had no issues. My kitten also ate this brand kitten food. Love it! I am a very loyal Science Diet fan. I have researched pet nutrition and feel that Hill's is a good, reliable company that cares about pets and provides a product that you can really trust.

Hills Prescription Metabolism Diet for Cats. I started feeding both my cats this product hoping they would shed a few pounds. For the first two month, I did see some weight coming off. However, my male cat started struggling with his bowel movements. There would only be one or two pieces, and they looked like cement. I talked to my vet, and he gave me some laxative type home remedies (canned pumpkin, wet food), I ran up to the grocery store and purchased a smaller bag of Iams for weight management. I hope this and the wet food will help his system get back to normal.

This is a well made product with few, if any, recalls. It is healthy for my cats, they like it and have never had an adverse reaction to the product.

My cat of 2 years old recently got crystals in his urine and had to get unblocked, so the vet told me to only feed him the Feline CD food to help prevent this from happening again. Anyway, my cat would vomit violently after even eating a few bites of the dry food. Then I tried the wet food, same thing. This went on for a few days and I finally switched him back to his old Blue Buffalo and like magic, he stopped vomiting. I've ordered the prescription formula dry food from another company and will see what happens, but in this case it was clearly the food! Either Hills Science is toxic garbage, or he's allergic to something in it, but my story sounds very similar to what others are writing here! I will NEVER use Science Diet again.

Our 2-year old cat has been on Science Diet since a kitten. 2 weeks ago he started with diarrhea and became very sluggish (he is very active). We notice he was not eating out of his feeder and would meow more for his "Treat" which is half spoon of wet food. We purchased Blue and placed a bowl of the Science next to it. He went straight to the Blue. Whatever change was made in the Science did not agree with his system and he knows it.

My husband acquired a beautiful big 5 year old Tuxedo cat only a month before he passed away. He loved the cat and I love all cats so I wanted to give him the best of care. He weighed 20 lbs when we got him so I asked our vet if he should lose weight. Hills Metabolic Diet had just been released and he recommended it. The cat loved both the wet and dry versions and lost weight rapidly. When he was down to 13 lbs, I stopped using the diet. He looked fine and seemed to feel fine. A year later, he looks like a cat skeleton with a bit of fur over it. He is ravenous and begs for food day and night but it seems to do no good. He had been eating a dry food (not the Metabolic Diet) but began to throw it all up so the vet switched him to Hills I/D wet food, but he doesn't care much for it even though he acts starving.

I purchased a bag of metabolic cat treats at my vet. When I was about to open the bag, I noticed a white fairly large substance inside. Upon closer observation I felt and saw the texture and realized it was gum!! How gross!!! I called the Hills number right away and the guy on the phone assured it was a serious rare case and was sorry and would send me an envelope on the mail so I could send the product back and have it tested. He also requested I take pics and email them to him. I did just that, and send pics from all angles to make sure they knew the package was not open.

I've fed Hills veterinary w/d to my cat for the past 7 years. I notice a change in the color of the same product in the latest bag I bought at the vet in late July 2015. The product had a change in color and color variation. Upon exam on the previous w/d bag and the latest w/d I note the (new) addition of corn gluten meal, wheat gluten among the first 4 ingredients. This may explain why the newer kibble is totally different color yellow with brown spots.

I have recently found ground up chunks of rubber bands in cans of Hill's Prescription Diet K/D formula wet cat food. They were found in both a can of the Chicken flavor and in a can of the Ocean Fish flavor, which was recommended by my veterinarian (purchased on 5/19/2015). I am returning the food to my vet tomorrow and will be informing the company (saved the cans with sku numbers, have my receipt and have the pieces saved in a bag). I will not be feeding this garbage to my pet again. I will be looking for an alternate food for my cat who is in the beginning stages of kidney failure.

My cat was on a strict prescription Hill's food diet (wet and dry) for a Urinary Tract Infection he had 3 years ago. Just recently on May 26 I had to take him to the Emergency Vet Hospital for problems urinating. He is now being treated for another Urinary Tract Infection.

My female Calico best friend has been vomiting her cat chow and I have tried almost every brand trying to find something she can eat. Her doctor suggested Hills ID. The change is amazing but she has damage to her nervous system. I am praying this will get better and feeling awful because I am responsible for this. My other male Calico best friend was also intolerant of commercial cat foods. He is much better now after 3 months eating only Hills ID. His coat shines and he has a smile on his face. Please be careful where the food is stored. The consumer is quality control. Molds and bacteria can grow in improperly stored pet foods.

I have been feeding my cat Friskies dry and can food for 4 years now without any problems. At an annual physical exam, the vet found my cat in good health except some tart. She recommended Hill's t/d (dental health) diet. Since I have switched my cat to the Hill's diet, I have noticed bald patches on her hind leg. After two months, my cat's abdomen and hind legs look like somebody shaved them. She also gained weight.

My cat was prescribed Hill z/d for IBD. It really helped her, so I went online to buy more cans. When the cans arrived, they had a silver tin where the ones I had gotten from my vet had a gold tin. Shortly after giving her the food from the new cans, she got all red all over and would not eat. Hills claims that nothing changed with the food, but when I switched back to the gold tins, my cat went back to normal. Something is not right here.

Hill's Ideal Balance Wet Cat Food - We switched our beloved boy over to this approx. 6 months ago while searching for a healthy new food- specifically we use the slow-cooked chicken and veggies recipe. The ingredients seemed promising and I found great reviews all of the internet on various pet food sites and other reputable industries like Amazon.com. He seemed to love it at first but as of about a month ago, this food has been making him vomit randomly after meals.

Hill's K/D Renal Prescription Dry Food for cats - Has anyone experienced a recent problem with this product? Just bought a new bag and both of our cats are throwing up. This is highly unusual and has not happened in the past. Bag states best if used by 5 2016. We changed the dry food and it has stopped. California purchase.

Our male cat was prescribed Hills CD due to crystal formation. So, we abided by the vet's advice and we fed our cat this food in dry form for years. His health improved on the food. But, after a long time on this food, he started acting strange - throwing up, meowing all the time, letting us know he was unhappy, etc. We ignored much of his behavior for a long time, thinking he had psychological problems. Then he started getting diarrhea and there is nothing like this to get your REAL attention! I called our vet on a Tuesday for advice but she could not talk to us until Friday. No one there could help us so we went online to search for answers.

My cat had a urinary blockage from crystals in his urinary tract. Of course the ER vet prescribed Hills SD and indicated that he needed to be on the diet for the next couple of months. I put him on the food for a few days like an obedient patient, and but then checked the ingredients. I had been feeding my cat grain free diet for the last few months and wanted to ensure he was still getting grain free. Much to my surprise, Hills SD is NOT grain free! Corn is the second ingredient. According to the FDA's website, pet food ingredients must follow the same policies as people food in that the ingredients be listed in order of amount. So the fact that it is the second ingredient means the food is mostly corn and therefore mostly grain!

My cat had urinary problems and the vet put him on cd. He ate it but didn't really liked it. After years on it, he has some issues again. He has allergies and I'm not sure if it's from this food. Did a lot of test, they found nothing. Now he's on zd and he ate it for a while and now he refuse to eat both food. I don't know what to do, I'm very worried and fed up at this point.

Ever since the vet prescribed Hill's z/d for my cat's food allergy trial, his stool has been watery and basically less than ideal. The first day when he was completely on this food, he had diarrhea all over the floor, it was bad. Previously when he was on commercial food, he was not having diarrhea and issues like this. To top it off, he's on allergy trial so we have no choice but to stick with this diet. Has anyone faced this issue on Hill's z/d?

I only wish that I had read this forum a few months earlier. Last year, my 11-year-old cat started peeing outside of his litter box. The vet diagnosed him as having crystals in his urine, and recommended that he switch to C/D food. I did so immediately, and was consistent with this, despite the high cost (about $70 month). He started spitting up on occasion, and then more regularly in the last few weeks. This morning, he started whining uncontrollably, and then laid down and started panting heavily. After many diagnostic tests, the vet assessed this as very probably liver cancer, with the entire liver extremely enlarged, with heavy internal bleeding from multiple spots. He died this afternoon. I miss him greatly, and while proving cause and effect is always tricky, the Hills food seems like a very probable cause here. Another data point suggesting that there is something grotesquely wrong with this cat food.

In October of last year, my lil girl Sabrina (who is 14) was peeing and drinking constantly. We took her to the vets and they diagnosed her with a kidney infection. She was given medicine for that. They told us that her kidney levels showed that she had the on-start of kidney disease and highly recommended the Hill's K/D feline food for her. So we started her on the food. Well, she started having diarrhea. We called the vet and they gave her a probiotic to take. Well, that didn't stop it either, so they suggested Flora to sprinkle on her food. Didn't work. This went on for a while.

My cat was put on CD years ago for crystal formation in his urine. He never liked it. But over time he came to tolerate it. One time I opened a can he wouldn't eat for the entire day. It spilled a little industrial to me. I threw it out and he ate food from the next can. I thought I'd gotten a single bad can and was lucky my cat didn't eat it. Less than two weeks ago, I bought two cases of CD cans (one seafood, one chicken) from my Vet. He won't eat any of it. I've opened several cans from both varieties and he sniffs it and walks away. I was suspicious but after reading these reviews I'm scared. I hope that some of the food I tried to trick him into eating by mixing in other things he likes won't have hurt him. I definitely won't give him anymore. Don't know what to do about food now. But will start researching and give him Fancy Feast in the mean time which he never refuses.

My cat, which is 13 now, has developed an aggressive cancer in her left paw and she has been on Hills Prescription Diet - Low Fat Urinary, her entire life. One thing that made me suspicious about this product is that every single time throughout The years, I tried to take her off this particular product, she immediately started to have blood in her urine, and she went to the toilet up to every five minute constantly. Plus that she refused to eat anything else, for up to 5 days, even though I tried to put Whiskas in front of her. I felt forced to let her get back on Hills Prescription again, feeling powerless of any ways out of it. It seemed crazy to me that this was the only food she could eat. Now she has got cancer and it's pretty bad.

I brought a kitten to the vet because he had some bowel issues and the vet prescribed W/D canned cat food. This was to help reduce the fat in his diet and help stop diarrhea. The kitten has been on this about two months. Since then, he has the worst gas in the world. I stopped it for a couple days and as soon as I gave the food back to him, his gas returned. I am feeding my other cats the same food and one cat started defecating in the bathtub. He never did this ever before. His bowels are now loose and he paces all around like he's more irritated.

I have three cats. Two of whom are elderly and have been eating either WD or KD most of their lives and have devoured their dry kibble. Now that the KD and WD have changed, they are having it! AND someone urinated outside of the litter box, which never happens! PLEASE, don't cut corners. Put things back the way they were. Don't play with the lives of our babies. PLEASE.

I've been feeding my three cats the K/D dry food for over a year. I purchase the food from my vet and transfer the food into an air-tight, screw top container so I didn't have the bags to compare nor do I have any way to compare the expiration dates. About three months ago, when I transferred a new bag I noticed that the kibble was smaller and a much lighter color. There was nothing on that bag to indicate the change but on the bag that I bought this week I see a notice of change of shape on the bag.

Several years ago I put all of our cats on the Hill's Science Diet C/D dry cat food after one cat developed a urinary blockage (We switched to regular clay litter from clumping too since our vet said some male cats can develop urinary blockages from the gel used in clumping litter...they ingest the dust when they groom themselves). We have always had issues with them throwing up this food, but we attributed that to maybe gorging themselves when they ate... We just weren't sure. The number one reason we liked this food is that there was always very little waste in the litter pan, which was nice.

My cat Niko was *exclusively* eating Hills Z/D, as recommended for chronic herpes. He developed renal failure and died during the melamine contamination scandal. Hills refused to take any responsibility. As this occurred in 01/07 -- when I did not think I had any recourse -- I doubt that a suit would/could do anything; however, if someone is interested in taking this on contingency, that would be fine with me.

One of my cats was diagnosed with a single small kidney, which is an early sign of kidney problems. We have two cats that both got bad diarrhea from a bad batch of canned food, and replaced it to heal them. After the diarrhea was gone I bought some Hills prescription K/D canned and dry food for my one cat with kidney problems. Lo and behold, the diarrhea is back, and just for her. I'm thinking maybe it's a relapse, but we alternate the dry and canned food, and she gets diarrhea every time she eats the canned. There is something wrong with Hill's canned K/D feline food. Don't give it to your cats.

I have been feeding my cats Hills prescription diet C/D since early summer 2010 as I have one cat with urinary problems. All has been ok and they like the dry as well as the wet food seafood flavor. However, the last bag I bought on 11/29/2010 is, I believe, poisoning my cats. My older cat began having intense "skirting" diarrhea and vomiting. I just thought she ate one too many pieces of chicken. She loves table scraps and has been eating them for years with no problems. I called the vet. The advice was go without food for 24 hours; if she is not better, bring her in.

My cat of 9 years contracted a skin allergy in December 2008 (possibly from being allergic to Whiskas). He has been in and out of the vet since as he seems to have a food allergy of which we are still trying to pinpoint which foods. I know lamb is a culprit. However, he was on the Hills light (chicken flavor), which did not help with the allergies. We then tried the d/d diet, which meant he threw up almost every day - the last week of the food, it was every day. His vet suggested I try Iams and he seems okay on it, though it has only been 10 days. Because he swallows the small pellets instead of chewing, I asked my vet if there was a Hills product with bigger pellets so that he can chew his food and seem less hungry. The d/d diet had big pellets and he seemed to get fuller quicker and not be hungry all the time. She suggested I try the t/d diet. It lasted two days and he was throwing up on it.

I had two beloved cats become ill in the same weekend. I had to put them to sleep. They both ate the same food so I have become suspicious and cannot find enough information to have the food tested. Both cats were put to sleep at a cost of $500.00. And the hell I went through emotionally there can be no dollar amount on.

In the fall I wrote to Hills Prescription Diet regarding their MD wet and dry food. I could see my cats reacting to it and I wondered if they had changed the formula. I wrote to them and asked them if they were using any new or inferior ingredients. They wrote back assuring me everything was top quality. Now I find out it was not. This is very frustrating as my vet insisted I feed them this very expensive food as they were overweight. I think this is a real scam and that they have done a remarkable sales job on the vets who are heavily pushing this MD food as atkins for cats but it a lot of money for garbage. I wish I had stuck to my guns and just kept my cats off the food and hadn’t bowed to pressure from my vet who thought he was doing what was best.