The first retail generic equivalent to Frontline Top Spot for cats. * FiproGuard contains Fipronil the active ingredients used in Frontline Top Spot for cats. * 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.