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My 3-month-old kitten is tiny and has severe watery diarrhea. Why?

Updated On September 23rd, 2025

Pet's info: Cat | Bombay | Female | unspayed | 2 months and 25 days old | 1lb

Hi we found ash and his brother about a month ago his brother has grown twice the size but ash is about 3 months old and he is the size of a 3 week old kitten. Why is that? He has resently cought something that is making him have diarriah that looks like water constantly and hurts him really bad. Now he is walking and has been pooping without knowing. Do you know what is wrong with my baby? We are trying to get to the vet but its going to be a while and we dont have much money. Thank You.

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1 Answer

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on June 15th, 2017

Poor Ash! He could have a parasite, infection, congenital abnormality, etc. He really needs to be seen by a vet as soon as possible. Your vet can test a stool sample to help determine the cause and then prescribe medications to treat. You could try to find a low cost clinic or try the Humane society in your area and see if they can help. Hope he feels better soon!

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