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Painless nipple discharge in unspayed female dog: What's the cause?

Updated On September 23rd, 2025

Pet's info: Dog | Pomeranian | Female | 3 years and 6 months old | 23 lbs

My Pomeranian Indian mix dog who is 3+yrs old..I saw 3 days before pus coming out from 2 of her nipples above n below n it's painless to her..there is no lumps too...she is healthy...23lbs...her cycle was 3 months ago...we never matted her with any dog...n she hasn't spyed too...what's the reason of this?n what will I do now

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Answered By Linda G, MS, DVM

Veterinarian

Published on January 24th, 2019

Hello. Roxy may be going through a false pregnancy, but without a hands on exam, I cannot tell you the exact nature of the discharge. You might want to have her seen by your veterinarian & if you are not planning on breeding her, consider having her spayed. Thanks for using Petco Pet Education Center, formerly Petcoach.

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