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My dog coughs a month, breathing worse, vet says tests normal. Help!

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 10 years old | 80 lbs

My dog has had a cough for over a month. They said her blood work and xray seem normal. I feel like her breathing is getting a bit worse. Her resting rate is about 35 bpm. She's on doxycioline which doesn't seem to be helping.

1 Answer

Most Helpful Answer

Stacey Anstaett, DVM

Answered By Stacey Anstaett, DVM

Veterinarian

Published on December 25th, 2018

You might ask your veterinarian if the X-rays could be reviewed by a radiologist. While the resolution that the forum pictures allow makes them a bit difficult to interpret, I am concerned that the X-rays do not appear normal, and she may have a more serious underlying condition. It may be that she has some underlying heart disease, cancer, or an infection that requires a more broad spectrum of antibiotic. I agree the blood work you've attached is unremarkable. Was a CBC performed as well?
Check back with your vet about a radiology review, and a recheck exam as well. A consult with a cardiologist may be recommended, depending on the radiologist's opinion. I'm sorry I don't have better news, or a solution to offer you to try at home, but I think you need to circle back and followup with your vet on this.
Thank you for asking Petco Pet Education Center, formerly Petcoach.
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