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My senior cat won't eat for a week but drinks. What should I do?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 18 years and 1 month old | 4.2 lbs

My 18 year old cat hasn't eaten in over a week. She is drinking water. She has an overactive thyroid and we just went to the vet last week for a UTI. I'm beginning to think that she's not going to make it. Do you recommend anything that I could try to get her to eat?

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1 Answer

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Answered By Penelope Graben, DVM

Veterinarian

Published on June 24th, 2018

I'm so sorry to hear that Lily has not been eating. I would recommend trying canned tuna, chicken broth, and buying one each of several flavors of cat food to entice most kitties to eat. Unfortunately, sometimes not eating is not due to pickiness or a lack of interest in flavor, but due to sickness. The body will start to break itself down to use for energy after only 24 hours without nutrition. A week is too long for her to go without eating safely and I would recommend taking Lily to her vet to be evaluated. I hope this helps.

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