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Why is my cat's stool bloody with mucus, even with normal tests?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 9 years old | 9 lbs

Hi there! My cats bloodwork is all normal and no parasites found in fecal test. Once in a while there is what you see a lil blood . There also appears to be a filmy substance covering the stool ? I'm wondering what could be going on and what I should do next to find out. Any thoughts/ suggestions are greatly appreciated :) and please excuse the photo!

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1 Answer

Most Helpful Answer

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Answered By Mariya Gugel, DVM

Veterinarian

Published on January 17th, 2018

Thank you for using Petco Pet Education Center, formerly Petcoach! The photo is very helpful- I can definitely see the blood and mucus in the stool. Certain liver and pancreatic conditions can cause this, as well as intestinal inflammation. Additional tests I recommend are pancreatic and liver function tests, bloodwork to determine nutrient absorption by the intestines, x-rays, and even an ultrasound. The most aggressive diagnostic would be an exploratory surgery with biopsies. You can talk to your vet also about changing your cat’s diet and adding probiotics. I hope this helps and am happy to answer any other questions you have!

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