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Is Frontline flea and tick treatment really safe for my pregnant dog?

Updated On September 23rd, 2025

Pet's info: Dog | Shih Tzu | Female | unspayed | 1 year and 2 months old | 15 lbs

Is is really safe to use frontline to my pregnant shih tzu

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on April 26th, 2017

Yes, Frontline is considered to be safe for use in pregnant female dogs. The active ingredient (fipronil) has never been shown to cause any birth defects or other problems, and it's poorly absorbed into the body in any case so should not affect the developing pups at all :)

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