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Is the 6-month heartworm shot safe? What flea & tick meds are best?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 4 years and 3 months old | 6 lbs

Is that heartworm shot that last 6 months safe and effective and what few and tick meds do you recommend?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 11th, 2019

ProHeart 6 (Moxidectin) is the only FDA-approved heartworm shot, and it lasts six months. It is safe and effective. As for flea and tick medications, I recommend Revolution or Advantage. I hope this helps!

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