Frontline Plus is an excellent flea and tick treatment for cats and kittens over 8 weeks. This potent formula treats and prevents fleas, ticks, and chewing lice in cats. It prevents all flea stages (egg, larvae, and pupae) from developing by eliminating them all. Moreover, it ceases existing infestations and prevents the establishments of new infestations. Furthermore, it kills all fleas that might cause flea allergy dermatitis (FAD) and ticks that may transmit Lyme disease, Bartonellosis, Ehrlichiosis, Babesiosis, Anaplasmosis, etc. Frontline Plus for cats is manufactured by Merial/Boehringer Ingelheim, and is suitable for all cats and kittens over the age of 8 weeks.