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Why is my Shih Tzu's lumpy black mole bleeding and oozing pus?

Updated On September 23rd, 2025

Pet's info: Dog | Shih Tzu | Female | spayed | 10 lbs

I have a rescues Shih Tzu that has several moles, she is older so I didn't really worry too much except for this black lumpy one on her lower back that sometimes bleeds and I can push puss out of it...it's like nothing I've ever seen before.

1 Answer

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on November 14th, 2016

It could be a cyst, mass, or pustule. Have your vet take a look at it to determine the best way to treat. She may need an antibiotic to treat an infection and/or it may need to be removed. Your vet can do an aspirate to help diagnose.

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