Advocate Advantage Multi from Bayer topical spot on control - Kills Fleas, Flea Larvae in your Kittens & Cats enviorment and surroundings. Puts the squeeze on fleas, flea larvae, Prevents Heartworm Disease, Controls & kills Roundworms, Hookworms. Controls and kills Ear Mites. Advocate is safe to use on kittens from 9 weeks of age. Advocate not only has a wide safety margin for pets, but for all their owners as well. A topical Once a Month treatment. No RX Prescription Required. Highly recommended by Vets .