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My cat stopped eating but keeps drinking water. What should I do?

Updated On September 23rd, 2025

My cat won't eat but will drink water

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on February 16th, 2015

There could be several reasons why your [cat will not eat](https://www.petcoach.co/article/why-isnt-my-cat-eating). Take a look inside your cat's mouth and under its tongue if you can do it safely. If you see any redness, inflammation or bleeding of the gums or around teeth, there may be [periodontal disease](https://www.petcoach.co/cat/condition/dental-disease-1/) present. Confirm there are no foreign objects (or string) in the mouth or under the tongue. If you see anything that does not appear "normal", schedule an exam with your veterinarian. Other potential causes include [kidney disease](https://www.petcoach.co/article/6-things-you-should-know-about-kidney-disease-in-cats), [pancreatitis](https://www.petcoach.co/article/pancreatitis) or gastrointestinal issues. These may require blood work and x-rays to diagnose. If the mouth is clear, try warming the food slightly or adding some liquid from a can of tuna to stimulate appetite. If your cat does not eat for 3+ days, see your vet immediately to avoid complications involving [liver function](https://www.petcoach.co/cat/condition/hepatic-lipidosis/).

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