FRONTLINE Plus has 2 tough killing ingredients. The 1st, fipronil, kills adult fleas and ticks. The 2nd, (S)-methoprene, attacks flea eggs and larvae. They work together to kill all month long. Plus, it breaks the flea life cycle. By also destroying the next generation of flea eggs and larvae, FRONTLINE Plus gives you the power to help prevent a flea infestation on your pet.

advantix® offers the advantages of a state-of-the-art solution for external parasite control: Eliminates fleas (treatment and prevention) for 4 weeks; can be used as a part of the strategy of treatment of flea allergic dermatitis (FAD).

With its innovative delivery system, Seresto™ offers a breakthrough in flea and tick protection for dogs or cats for eight months.

FRONTLINE Plus has 2 tough killing ingredients. The 1st, fipronil, kills adult fleas and ticks. The 2nd, (S)-methoprene, attacks flea eggs and larvae. They work together to kill all month long. Plus, it breaks the flea life cycle. By also destroying the next generation of flea eggs and larvae, FRONTLINE Plus gives you the power to help prevent a flea infestation on your pet.