Frontline Plus for Dogs Weighing 45 to 88 lbs for 3 doses, 1 box

FRONTLINE Plus for Dogs has been trusted by veterinarians for flea and tick control for dogs for nearly 20 years. Made with 2 tough killing ingredients, fipronil and (S)-methoprene – one to kill adult fleas and ticks and the second to kill flea eggs and larvae – this fast-acting, long-lasting protection provides flea and tick control for dogs and puppies 8 weeks and older, 45-88 lbs. Its long-lasting formula is stored in the oil glands of the pet’s skin to give non-stop flea and tick protection for a full 30 days.