Revolution Plus for Cats is a monthly topical solution to control fleas, flea eggs, ticks, heartworms, ear mites, roundworms, and hookworms in cats. Revolution Plus for Cats kills adult fleas before they can lay eggs, thus preventing further flea infestations. Apply topically once per month. Approved for use in cats 8 weeks of age and older. Selamectin and Sarolaner. COMBO FLEA / DEWORMING **WITH TICK**. EXAM REQUIRED. No HW test needed--can be used with HW+ cats.