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My dog is in heat and has a black patch on her vulva. Is it normal?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 5 years and 2 months old | 8 lbs

My 5 year old Jackchi is in heat.I have noticed a small black patch of skin on her vulva.

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1 Answer

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Answered By Jenny, DVM

Veterinarian

Published on January 24th, 2018

It does not appear raised or the tissue inflamed. I would monitor the area for any changes. Some pigment changes can be normal in dogs. If it starts to have an odor or seems to bother her or get bumpy then I would have it checked

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