Treatment of mixed infections by immature and adult cestodes and nematodes of the following species: Cestodes: - Dipylidium caninum - Taenia spp. - Echinococcus multilocularis Nematodes: - Ancylostoma tubaeforme - Toxocara cati Prevention of heartworm disease (Dirofilaria immitis) if concomitant treatment against cestodes is indicated.