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Why is my dog losing weight and breathing hard but still active?

Updated On September 23rd, 2025

Pet's info: Dog | Pit Bull Terrier | Female | unspayed | 3 months and 13 days old

MY DOG IS LOSING WEIGHT AND HAVING TROUBLE BREATHING, BUT IS STILL ACTIVE AND EATING WELL

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on April 28th, 2016

She may have intestinal parasites or not get enough or proper puppy food. Trouble breathing and weight loss can also point to congenital heart disease or a liver shunt. You need to take your dog to a vet for an exam and worming.

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