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

Fipronil is a phenylpyrazole antiparasitic agent indicated for the treatment of fleas, ticks, and chewing lice infestations in both dogs and cats. All Frontline products for fleas and ticks also ...