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My cat has dark poop and diarrhea for two days. Is this normal?

Updated On September 23rd, 2025

Pet's info: Cat | Nebelung | Male | neutered | 1 year and 1 month old | 10 lbs

My cat is a 1 year old male. I am a bit worried since thw last 2 days his poop has been really dark and he has had some diarrhea although he always makes it to the litter box and is not constant.

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on October 9th, 2021

Hello. I am so sorry for your concerns with Momo. The dark color of the stool does not overly concern me as this can reflect something he has eaten, but with the diarrhea, it may be something inflammatory in his intestines, or even parasites. If he has not been wormed in a while, I would have your veterinarian check his stool just to make sure. If everything is OK, your veterinarian may make some recommendations to address the diarrhea, including the possible use of antibiotics, probiotics or a dietary change. Best to you & Momo & thanks for contacting Petco Pet Education Center, formerly Petcoach.

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