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Why is my cat lethargic with bad diarrhea after mating?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | unspayed | 5 lbs

My 5 months old female cat mated my 1 year old male cat. A day after, she’s very lazy and not active and sleeping the entire time. I noticed a foul smell in the house and when I checked, she had diarrhea. And ever since I noticed it, she keeps on having diarrhea a lot, even when I play with her to make her move a little bit, she farts and ejects diarrhea. Is that normal?

1 Answer

Most Helpful Answer

Dr. Dayna, DVM, CVA

Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on March 14th, 2018

No, diarrhea like that is not normal. I’m not sure that it has anything to do with the mating, but I would be concerned that she could get dehydrated quickly losing that much fluid. I would highly encourage you to have her evaluated by your veterinarian soon. Try to take some stool sample with you to your appointment if possible. Best of luck and I hope she improves soon. Thank you for using Pet Coach.
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