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Can a dog on prednisone safely take heartworm prevention medication?

Updated On September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 7 months and 10 days old | 5 lbs

Chicken Noodle is on prednisone for tonsillitis. She is now on it every other day. She needs to take her monthly heart worm pill. Can I give it to her tomorrow since it’s her day off from prednisone. Or should she not be taking the heart worm until she’s completely done with the prednisone?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on May 1st, 2020

Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Chicken Noodle. Such a cute name! It is fine to give her the heart worm pill even though she is on prednisone. There is no interaction. I hope this helps!

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