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Is my 6-month-old cat's fluctuating water intake normal? When to worry?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 6 months and 20 days old | 8 lbs

Hello doctor I just wanted to ask about the normal water intake of a 6 months old male cat. As everything is normal in my cat , his drinking quantity varies , sometimes goes too low and sometimes go high. Is that fluctiation normal ? And if so , when do i worry ? Thank you for your time

1 Answer

Most Helpful Answer

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Answered By Anna M., DVM

Veterinarian

Published on March 14th, 2020

Water intake can fluctuate a bit even in normal, healthy animals, based on their activity level, environmental temperature, and how much moisture is in their food. As long as a pet is eating well, and playful and happy with a normal energy level, then a decrease in drinking doesn't concern me. The more worrisome change would be a consistent increase in water consumption. If you notice that Moosh seems to suddenly have a consistent increase in his drinking habits, that warrants a vet visit. I only worry about a decrease in drinking if it is also accompanied by a decrease in appetite. As a general rule, if a pet is eating normally, they're drinking enough for their body's needs. But an increase in water consumption is always worth investigating, as it can indicate kidney disease, diabetes, or other internal concerns.

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