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My recently adopted cat has blood in his stool. Should I see a vet?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 12 lbs

Hi! My 7.5 year old cat has blood in his stool. I adopted him from a shelter 4 weeks ago, and he has had blood spots (from dots up to thumbnail size) in 50 - 75% of his stools since adoption. He defecates quickly and without pain, doesn’t have constipation or diarrhoea, stools seem normal consistency, no tenderness around the hind legs/back/tummy, no trouble sitting. He's on a mix of wet and dry food (same as at the shelter). Should I take him to the vet?

1 Answer

Most Helpful Answer

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Answered By Dr. Davis

Veterinarian

Published on October 3rd, 2017

Thanks for adopting Eli. Blood in the stool without constipation is often due to intestinal parasites. Please take a sample to your veterinarian and they will look under the microscope for parasite eggs. If they find some they will prescribe the correct dewormer for Eli. If there are no parasites and this continues Eli should go in for an exam. He could have an anal infection, rectal polyp or intestinal inflammation causing the blood. Cats do have blood in the stool more often than other animals so if he's normal and this only happens once in a while I would just keep an eye on him, and bring him in if it is a constant issue. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Eli.

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