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Can I trust Petco for authentic flea & tick meds like Frontline?

Updated On September 23rd, 2025

My vet told me that I should not get my dogs Sentinel, or Frontline from anywhere other than the vets office due to possible counterfeit products being sold. What is your thought? How about buying them from Petco? The cost of these is difficult to pay, but did buy as a responsible pet owner.

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 12th, 2019

This is true! I’ve heard of counterfeit flea medication being sold on websites like Amazon. PetCo will have the real stuff, so it’s safe to buy from them. I do think getting it from the vet is best, as they have the prescription treatments that are the best on the market. I hope this helps!

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