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Why is my senior dog breathing heavily and coughing while lying down?

Updated On September 23rd, 2025

Pet's info: Dog | Jack Russell Terrier | Male | neutered | 15 years and 5 months old

My 15 year old dog has started breathing heavily it worse when he's lying down also he has been coughing as if he's clearing his throat

1 Answer

Most Helpful Answer

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Answered By Sarah Derksen, DVM

Veterinarian

Published on July 13th, 2017

Hi. It sounds like he is having respiratory signs. This could be from many things such as....upper respiratory infection, cardiac disease, primary respiratory disease, cancers, or other infectious causes. With his age, he needs a full exam, labs, and chest x-rays. If he is in respiratory distress, you will want to go to the ER.

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