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My dog has a small hole with pus and liquid seeping out. What is it?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 19 lbs

Hi ive found a sore on my dog... its like a small hole with a bit of puss n clear liquid seeping out

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1 Answer

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Answered By Maria DVM

Veterinarian

Published on February 21st, 2018

This looks like an infected cyst. I would recommend taking Harley to a veterinarian to have them treat for the infection and then once the infection is cleared they can aspirate the growth to determine what exactly it is. Thank you for using Petco Pet Education Center, formerly Petcoach.

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