Revolution Plus is a new 7-in-1 monthly parasite prevention treatment for cats. It is the first feline treatment to protect against paralysis ticks, fleas, hookworm, heartworm, roundworm, mites and lice. This revolutionary dual-action formula combines selamectin and sarolaner in an easy-to-apply monthly topical pipette. This product treats, controls, and prevents pesky fleas, deadly paralysis ticks, as well as roundworm, hookworm, ear mites and biting lice. It also prevents deadly heartworm, which is transmitted via mosquitoes.