Petco Text Logo
Petco Pet Logo

Why does my unspayed female dog have brown bloody vaginal discharge?

Updated On September 23rd, 2025

Pet's info: Dog | Bull Terrier | Female | unspayed

Hi, My 9 year old female bull terrier is having brown bloody vaginal discharge. It is not stringy, more watery She is not de-sexed She has recently been on antibiotics. What could this mean ?

1 Answer

Most Helpful Answer

Image profile

Answered By Claudia Fioravanti

Veterinarian

Published on December 5th, 2016

Lolly is likely to have a prometra, an infection of her uterus, very common in entire elderly females. It is very important to have her checked over as soon as possible, as it is a treateable condition but it can be life threatening if left for too long .

Vote icon

2Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored