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My puppy swam after Frontline Plus. Is it effective? Should I reapply?

Updated On September 23rd, 2025

I just put frontline plus on my 8 month old puppy, within 20 minutes he ran to the pond and took a quick dip, is it none effective now, and if so, is it safe to apply another tube on him

1 Answer

Most Helpful Answer

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Answered By Oneal Bogan, DVM

Veterinarian

Published on May 21st, 2019

Hi there. I should have absorbed before he went swimming. I wouldn't apply another dose at this point because overdose can make them sick. Monitor for any fleas and ticks closely and apply the next dose when he's due. I hope that helps, thanks for using Petco Pet Education Center, formerly Petcoach.

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