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My cat is drinking a lot of water. Is this a sign of illness?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Male | neutered | 7 years and 5 months old

Should I be worried that my cat is drinking nearly an entire bowl of water in a day ?? He's been sick and the vet at the welfare gave antibiotics and said he'd be fine, and that everything else was normal besides the bacterial infection. I change his water in the morning and by the evening the bowl is almost empty again.

1 Answer

Most Helpful Answer

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Answered By Ana M, DVM

Veterinarian

Published on May 2nd, 2019

Thank you for submitting your question regarding Tigger. Increased thirst and subsequent increases in urination can be the result of a medical problem. I recommend letting his veterinarian know of this change in behavior. He will likely need blood work and urine samples tested. Diabetes, kidney disease and thyroid disorders can all affect thirst. I hope this information helps!

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