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At what age can I safely begin flea prevention for my puppy?

Updated On September 23rd, 2025

Pet's info: Dog | Siberian Husky | Female | unspayed | 1 month and 27 days old | 12 lbs

How old does a puppy have to be for fea prevention?

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1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on February 27th, 2018

This depends on the flea preventative you intend to use. You can use Frontline Spray in very young puppies as well as the mother. Spot-ons are very concentrated and should not be used in puppies younger than three months old and these puppies need to have an appropriate weight depending on the medication. There are puppy spot ons available. Your vet should have all these available.

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