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My dog is on prednisone. When might muscle wasting begin to show?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed

How long does a pet have to be on prednisone before muscle wasting could occur

1 Answer

Most Helpful Answer

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Answered By Ana M, DVM

Veterinarian

Published on June 15th, 2018

Thank you for submitting your question regarding Astro. Some pets will not experience any muscle wasting on prednisone and others will have it right away. It usually depends on the dose that the dog has taken. I have seen muscle wasting in less than one week in a large dog on immunosuppressive doses of steroids. Large dogs tend to experience more side effects from high doses of steroids. It is much less common in a dog on an anti-inflammatory dose such as for itchy skin. I hope this information helps!

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