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Which heartworm medicine is best: Heartgard or Tri-Heart? CBD for dogs?

Updated On September 23rd, 2025

Is their any difference between "Heartgard Plus" and "Tri-Heart Plus"? What purposes does CBD oil have for Canines?

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1 Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on August 14th, 2019

Your dog is so handsome! Both Heartgard Plus and Tri-Heart Plus protect against heart worms, but I personally like Heartgard Plus best. As of yet, we have very little research on CBD oil in veterinary patients, so we cannot make any recommendations one way or the other about this product - we do not know what an appropriate dose might be, and if there are any potential health concerns or drug interactions in dogs. In addition, because it's a schedule 1 drug, it's illegal for us to prescribe or recommend. I hope this helps!

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