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What is the white discharge or stuff I see on my dog's nipple?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 1 year and 2 months old

I just noticed this white stuff on my dog nipple can you tell what it is.

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1 Answer

Most Helpful Answer

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Answered By Mara Howard, DVM

Veterinarian

Published on March 26th, 2019

Thanks for using Petco Pet Education Center, formerly Petcoach! Discharge from a nipple can be due to a variety of reasons, including milk production (if not spayed), a bacterial infection, a clogged duct, or another underlying issue. if it is bothering her or you are concerned, I would recommend having her evaluated by her regular veterinarian to determine if there is something that needs to be addressed. Good luck!

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