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My cat won't eat his urinary diet after a UTI. What should I do?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 9 years and 10 months old | 13 lbs

My Kitty had UTI and US showed possibly crystallized mass in his bladder. The Vet prescribed Hill's Science Diet Adult Urinary & Hairball Control Cat food, which he has to stay on it, forever. My cat has not eaten in a almost a week. He is still on antibiotics and anti nausea meds, (AND appetite enhancer for last 6 days) to no result. he started drinking, but not much of food yet. Please, help!!

1 Answer

Most Helpful Answer

Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on July 16th, 2018

It is not safe for cats to not eat for a week. Please speak with your veterinarian today about what you should do. Depending on what his urinalysis looked like, you may be able to stop the antibiotics (which can cause nausea and a decrease in appetite). You may also be able to try canned food or a different type of prescription diet food. Regardless, it is more important to get James Bond to eat regardless of what he eats right now in order to prevent potential liver problems from not eating. If blood work has not been checked, that may need to be done as well. If James Bond continues to not eat, he will likely need to be hospitalized.
Good luck! I hope that was helpful and that James Bond feels better soon. Thanks for using Petco Pet Education Center, formerly Petcoach.
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