Sentry Fiproguard Liquid Dog Flea and Tick Drops 9.70%Fipronil and 90.30%Other Ingredients 0.045 oz

Topical flea and tick squeeze-on provides three-way protection that kills fleas, ticks and chewing lice. It kills deer ticks that transmit lyme disease as well as brown dog ticks. Can be used on breeding, pregnant and lactating dogs.