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My 3-week-old kitten is lethargic, peeing more. Is cow's milk the cause?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male

I've a kitten 3 weeks old..totally fed on cow's milk..which I usually dilute with water....From 2 days the kitten is not drinking properly, peeing a little more than normal, lethargic..just this..What could be the possible problem with it

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on October 30th, 2018

Hello. Cow's milk may not be adequate for this kitten. If you have access to an actual kitten milk replacer, this would be best. It is also possible the kitten may have a lot of intestinal parasites like roundworms. We normally recommend starting to deworm kittens at 2 weeks of age using pyrantel pamoate. Illness is also a strong possibility as to why your kitten is not thriving & for this you will certainly need to see a veterinarian. I hope Tiger is doing better soon. Thanks for using Petco Pet Education Center, formerly Petcoach.
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