For the treatment and prevention of infestations by fleas (Ctenocephalides canis and C. felis) and ticks (Ixodes ricinus, Ixodes hexagonus, Rhipicephalus sanguineus, Dermacentor reticulates and Dermacentor variabilis), and treatment of demodicosis (caused by Demodex spp.) and lice (Trichodectes canis) in dogs.