Albendazole is a broad spectrum multipurpose antAlbendazole is a broad spectrum multipurpose anthelmintic for the control of mature and developing immature forms of gastro-intestinal roundworms, lungworms, tapeworms and adult liver fluke in sheep and cattle, it is also ovicidal against fluke and roundworm eggs.. In sheep it is active against benzimidazole-susceptible strains of the following species: Roundworms: Ostertagia, Haemonchus, Trichostrongylus, Nematodirus (including N. battus), Chabertia and Oesophagostomum. It is usually effective against inhibited larvae of Ostertagia. Lungworms: Dictyocaulus filaria. Tapeworms: Moniezia spp. Adult liver fluke: Fasciola hepatica. It is ovicidal and will kill fluke and roundworm eggs, thus reducing pasture contamination. In cattle it is active against the following species: Roundworms: Teladorsagia (Ostertagia), Haemonchus, Trichostrongylus, Nematodirus, Oesophagostomum, Bunostomum, Cooperia, and Strongyloides spp. It is usually effective against inhibited larvae of Cooperia and Ostertagia. Lungworms: Dictyocaulus viviparus. Tapeworms: Moniezia spp. Adult liver fluke: Fasciola hepatica.