Frontline Plus for dogs is a potent and powerful flea and tick treatment for dogs. This excellent formula is indicated for the treatment and prevention of fleas, ticks, and chewing lice in dogs. Moreover, once administered, it kills fleas within 24 hours and 48 hours in the case of ticks. It also erases those fleas that can cause flea allergy dermatitis (FAD) and ticks that transmit Lyme disease, Rocky Mountain spotted fever, Bartonellosis, Ehrlichiosis, Babesiosis, Anaplasmosis, etc....