If you're looking for an over-the-counter (OTC) medicine, we recommend Frontline Plus for dogs, a topical flea and tick treatment that you apply once a month. It's important to ask your ...

Best OTC topical I chose Frontline Plus as one of the best flea and tick treatments for cats because it not only kills fleas and ticks and controls flea infestations but also kills chewing lice.

Popular flea and tick products were sent to a certified lab, which found that: Frontline Plus for Dogs, a popular topical flea and tick product, contains 2,390 parts per trillion (ppt) of four ...

Popular flea and tick products were sent to a certified lab, which found that: Frontline Plus for Dogs, a popular topical flea and tick product, contains 2,390 parts per trillion (ppt) of four ...