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My dog has heart failure. Why is he isolating outside and panting?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 12 years old | 11 lbs

my dog has been diagnosed with heart failure around a. year ago and is now permanately on medication for it and lately he has been isolating himself outside sitting in the same spot on the concrete even when it is raining and cold (he hates rain). He can't get too hot otherwise his respiratory rate goes up so sometimes when I find him after he's been outside for a while he is panting which isn't good for him. why is he doing this

1 Answer

Most Helpful Answer

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Answered By Amy S. Eutsey, DVM

Veterinarian

Published on March 13th, 2020

He is seeking an environment in which he can breathe better. Heart failure patients may have fluid in their lungs and that makes it difficult to breathe. He may need a diuretic or if he is already on one, the dose may need adjusted. If possible, keep a fan going in the house near him, keep the house cool. I would recommend an X-ray to see if he has fluid to help adjust his medications. Thank you for using Petco Pet Education Center, formerly Petcoach

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