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What causes a female dog to leak brown fluid and pee everywhere?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | unspayed | 7 years and 9 months old | 112 lbs

Hello my dog is a rottie female age 8 in november she has started to leak fuild from her vagina its brown and a bit green also white bits in it not sure what it is its not her normal period but dont know if its due to stress as the main person shes close to has now moved out .Also she is weeing everywhere she is house trained so not like her.

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2 Answers

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Answered By Amber W

Veterinarian, Certified Veterinary Acupuncturist

Published on September 1st, 2017

Hello and thanks for using Petco Pet Education Center, formerly Petcoach! I think Belle needs to see a veterinarian right away. She may have a very serious uterine infection called a pyometra or a very serious urinary tract infection from your description and that picture. A pyometra is life threatening and requires antibiotics and often surgery to treat so I would get Belle to a veterinarian to be examined as soon as possible.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on July 1st, 2019

    It could be Elizabeth has a pyometra. This is an infection of the uterus that is fatal without treatment. She could also potentially have an infection of a mammary gland causing the brownish fluid from one nipple. This cannot be treated at home, and leaving her without treatment will be fatal. You have to rush her into a vet immediately.

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