Simparica Veterinary is indicated for dogs:For the treatment of tick infestations (Dermacentor reticulatus, Ixodes hexagonus, Ixodes ricinus and Rhipicephalus sanguineus). The veterinary medicinal product has immediate and persistent tick killing activity for at least 5 weeks.For the treatment of flea infestations (Ctenocephalides felis and Ctenocephalides canis). The veterinary medicinal product has immediate and persistent flea killing activity against new infestations for at least 5 weeks. The veterinary medicinal product can be used as part of a treatment strategy for the control of Flea Allergy Dermatitis (FAD).For the treatment of sarcoptic mange (Sarcoptes scabiei).For the treatment of ear mite infestations (Otodectes cynotis)For the treatment of demodicosis (Demodex canis)Fleas and ticks must attach to the host and commence feeding in order to be exposed to the active substance.