KILVERM Oral Drench contains Levamisole, a member of the imidazothiazole (clear) group of drenches, is effective in cattle and sheep against levamisole-susceptible strains of the following species ? Mature and immature Barber?s pole worm (Haemonchus spp) ? Stomach hairworm (Trichostrongylus axel) ? Thin necked intestinal worm (Namatodirus spp) ? Strongyloides Nodule and large bowel worm (Oesophagostomum spp) ? Small brown stomach worm (Ostertagia spp) ? Black scour worm (Trichostrongylus spp) ? Small intestinal worm (Cooperia spp) ? Hookworm (Bunostomum spp) ? Large lungworm (Dictyocaulus spp)