It is a broad-spectrum dewormer of horses which controls tapeworms, large strongyles, small strongyles, ascarids, pinworm, intestinal threadworm, neck threadworm, bots, lungworms, hairworms and large mouthed stomach worm. It is also effective against skin lesions caused by Habronema spp. and Draschia spp. and Onchocerca spp. microfilaria in horses.