Yes, this is the same Frontline sold at veterinarians offices. My vet actually didn't carry any, and suggested going to Petco.
answered 1 year, 8 months ago
New York, NY
6out of 6found this answer helpful.
The flea medicines they sell at the stores are non-prescription. The vet sells prescription medicine that also includes heartworm medicine, so they are different in that aspect. The active ingredient in both the over-the-counter and prescription medicines kill the fleas in the same way, by paralyzing them causing death. To answer your question about is it less effective? I have read a few articles comparing the three ingredients used in these products, Fipronil, Imidacloprid, and Selamectin. The comparison studies I have read say that Selamectin (prescription) was much more effective than the other two, especially in the first 24 hours. The runner up was Imidacloprid, it became almost as effective (about a 5% difference if I read the technical jargon right) as Selamectin but it took 3 days. Fipronil pretty much couldn't compete.
answered 2 years, 4 months ago
9out of 21found this answer helpful.