Sentry Fiproguard topical flea and tick squeeze-on for cats provides three-way protection that kills fleas, ticks and chewing lice. It kills deer ticks that may transmit Lyme disease, as well as brown dog ticks, American dog ticks and lone star ticks. Can be used on breeding, pregnant and lactating cats. This fast-acting and long-lasting sustained-release formula protects cats for up to 30 days. Learn More