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Can my pregnant dog safely continue or start Trifexis treatment?

Updated On September 23rd, 2025

Pet's info: Dog | American Pit Bull Terrier | Female | unspayed | 90 lbs

Is trifexis safe for pregnant dog?

1 Answer

Most Helpful Answer

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Answered By Jenny, DVM

Veterinarian

Published on October 10th, 2017

Yes. If your dog has had trifexis before then I would not worry and continue it on your normal schedule. If she has never had it before, I would choose a different type of heart worm and flea prevention because the most common side effect is vomiting.

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