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My cat has diarrhea for 2 days and patchy hair loss. What's wrong?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | 1 year and 10 months old

My cat has had diarrhea for 2 days and has patchy hair loss

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 26th, 2017

I'm sorry Mrs. B has had diarrhea! This diarrhea can be caused by eating something rotten, a foreign body, GI illness, or intestinal worms. Make sure she is up to date on her deworming treatments. I would take Mrs. B into the vet today for an exam. When a cat has diarrhea for more than 24 hours, it's time to see the vet. The vet can diagnose what is causing her diarrhea, and can treat her for it. While at the vet, they can examine her for the cause of the patchy hair loss, which can be due to fleas, mites, ringworm, allergies, or an autoimmune disease. Once the cause of that is found, the vet can prescribe her treatment for it.

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