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Why won't my senior dog's recurring vaginal infections clear up?

Updated On September 23rd, 2025

My pet has had a vagina infection since June every month for the last 3 months she's been put in antibiotics. Amoxi/clan 3 times and. Convenia injection It never gets cleared up. They did blood work and it showed nothing. What can be going on , they don't have any answers. She will be 12 next month. I need your advice

1 Answer

Most Helpful Answer

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Answered By Amber W

Veterinarian, Certified Veterinary Acupuncturist

Published on August 15th, 2017

Hello and thanks for using Petco Pet Education Center, formerly Petcoach! I'm sorry to hear your pet is having an issue. By vaginal infection, I am unsure if you mean she is having vaginitis, a urinary tract infection or even a uterine infection (also called a pyometra). If she is having repeat UTIs it is a good idea to have her urine cultured and also to do some imaging diagnostics like X-rays and even an ultrasound. If she is not spayed and the infection is coming from her uterus it is very important to have her spayed as this will resolve the issue. If your veterinarian is unsure as to where the infection is coming from then the next step is urine culture and an ultrasound. In some cases a resistant bacteria is present and the culture will help rule that out. An ultrasound will help determine if there are any complicating factors like bladder inflammation, bladder stones or even cancer. More information provided by you may help us make additional suggestions. I hope this helps clear some things up for you!

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