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?
4 Answers
Most Helpful Answer
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.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on August 5th, 2018
Blood in the stools can be minor or serious, there are many gastrointestinal conditions that can cause that, if you find blood again in the next few days i would recommend taking her to the vet in order to get it checked.
1Pet Parents found this answer helpful
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Published on February 15th, 2019
If Etzeo was a stray previously, he could have intestinal worms. This can cause blood in the stools. Other causes include giardia, GI illness, eating something rotten, or a foreign body. I would take him into the vet this weekend to get checked out. Best of luck.
1Pet Parents found this answer helpful
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Published on February 22nd, 2017
This could be due to intestinal worms, and I would take Finn into the vet with a sample of his stool for the vet to examine under the microscope. The vet can confirm if he does have intestinal worms, and can give him a deworming treatment for them. Other causes of bloody stool include dietary indiscretion, trauma to the GI tract, a foreign body, and GI ulcers. The vet can rule those in or out as causes of his occasional bloody stools.
1Pet Parents found this answer helpful
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