Advocate cat is for the treatment and prevention of fleas (Ctenocephalides sp.) Larval flea stages are killed in the surroundings of Advocate treated pets. Reduces the incidence of flea allergy dermatitis.Prevention of heartworm Dirofilaria immitis infection. Control of roundworms Toxocara cati and Toxascaris leonina including larval (L4) and immature adult stages; hookworms Ancylostoma tubaeforme, A. braziliense (rare outside coastal areas of north Queensland, Northern Territory and northern Western Australia), Uncinaria stenocephala, including larval (L4) and immature adult stages of all species. For the Treatment and control of ear mites Otodectes cynotis in cats and kittens. For cats up to 4kg.