cats:For cats suffering from or at risk from mixed parasitic infections : For the treatment and prevention of flea infestation (Ctenocephalides felis) treatment of ear mit infestation (Otodectes cynotis) prevention of heartworm disease (L3 and L4 larvae of dirofilaria immitis) and treatment of infections with gastrointestinal nematodes (L4 larve immature adults and adults of toxocara cati ancylostoma tubaeforne). The product can be used as part of a treatment strategy for flea allergy dermatitis (FAD).The treatment of notoedric mange (Notoedres cati).ferrets:For ferrets suffering from, or at risk from, mixed parasitic infections : For the treatment and prevention of flea infestation (Ctenocephalidas felis ) and the prevention of heartworm disease (L3 and L4 larvae of Dirofilaria immitis)