PRESCRIPTION REQUIRED: Monthly spot-on treatment for Fleas & Flea Larvae, Roundworm, Hookworm, Heartworm & Ear Mites. Also treats Lungworm, Whipworm, Biting Lice, Sarcoptes & Demodex. Advocate can be used as part of a treatment strategy for Flea Allergy Dermatitis. Does not treat Tapeworm or Ticks.