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My cat's butt is red and swollen. What's causing this problem?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed

Hi I will like to know what happen to my cat's butt

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1 Answer

Most Helpful Answer

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Answered By Lauren Kennedy, DVM

Veterinarian

Published on June 17th, 2017

The picture you provided is a little blurry but it looks like Angel may have some perianal dermatitis (infection and inflammation around the rectum and anus). This can happen if a cat is not grooming herself appropriately or if there is an infection in the anal glands. Oftentimes the hair needs to be clipped so the area can be thoroughly cleaned. The cats occasionally need antibiotics and anti-itch medication as well to help clear up the problem.

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