Revolution Plus is a safe and effective monthly topical medication that provides 6-in-1 protection for cats. Revolution Plus kills fleas before they lay eggs, and kills ticks for a full month. In comparison to Revolution for cats, Revolution Plus kills 3 types of ticks (black-legged tick, Gulf Coast tick, and American dog tick) for a full month. It also prevents heartworm disease and treats and controls ear mites, roundworms, and hookworms. Revolution Plus is easy to apply and is a quick-drying solution for a mess-free administration. Revolution Plus requires a prescription from your veterinarian.