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Why is my dog licking under his tail? Red spot with pus near bum.

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 12 lbs

My dog keeps licking and biting under his tail and I looked and it was a small pea sized red circle that looked wet with a tiny bit of pus coming out right next to his bum hole

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on July 14th, 2019

It could be Barkley has an infected anal sac. Put an Ecollar on him to stop him from licking it, and take him into a vet. You can make an Ecollar at home, or buy one at a pet store. Best of luck.

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