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Is heartworm prevention essential for my dog, or can I skip it?

Updated On September 23rd, 2025

Pet's info: Dog | Blue Heeler | Female | unspayed | 4 months and 11 days old | 47.7 lbs

Is it required to give my dog 'Tri-heart plus' to prevent heart worms? Would she be fine without a preventative?

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on May 6th, 2020

Hello. All dogs in the United Sates need to be on some form of heartworm preventative. This is not required, but highly recommended. If you do not like the Tri-Heart, there are other options including a 6 month & 12 month heartworm prevention injection. Talk with your veterinarian as to what is best for Kira. Thanks for contacting Petco Pet Education Center, formerly Petcoach.

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