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My cat has diarrhea and blood. What are the common causes for kittens?

Updated On September 23rd, 2025

Pet's info: Cat | British Shorthair | Female | unspayed | 5 months and 3 days old | 13 lbs

My cat has diarrhea and blood could it be cancer

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on August 26th, 2017

Oh no, poor Elsa! At five months of age, it is very unlikely cancer is causing her to have bloody diarrhea. That would be rare for a cat her age. She could be suffering from intestinal worms, which are common in kittens, and that can cause bloody diarrhea. She also could have a GI illness, may have eaten something rotten, or could have a foreign body causing her these symptoms. I would have her seen by a vet today if possible. The vet can diagnose what is causing her bloody diarrhea and how best to treat it.

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