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Updated on September 23rd, 2025
Pet's info: Cat | Mixed Breed | Male | neutered | 1 year and 5 months old | 9 lbs
For the first time, I noticed mucousy, bloody diarrhea around my indoor cat's anus after he passed a smelly stool. He is a 1 1/2 year Siamese tabby point mix, and we have also been catsitting another cat for 2 days. He's been very agitated/aggressive and has also been eating the other cat's dry food and more treats than usual. Is the bloody diarhhea probably just due to increased stress and change in diet? Should I go to a vet immediately or monitor it for a few days?
2 Answers

Answered By Lauren Jones VMD
Veterinarian
Published on June 23rd, 2017
Answered By Stephanie Echols, DVM
Veterinarian
Published on September 17th, 2017
Thanks for using Petco Pet Education Center, formerly Petcoach! I'm sorry to hear Casper isn't feeling well. It is likely his motility is increased since he's having diarrhea. If the diarrhea continues longer than 24 hours I recommend taking Casper to a vet to determine the cause (rule out parasites or infectious causes) and get him medications to cure the diarrhea. Significant diarrhea can cause dehydration so he may also need additional fluids. Good luck and kisses to Casper!
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