Fenbendazole (brand names Panacur® and Safe-Guard®) is a benzimidazole anthelmintic used 'off label' to treat a variety of intestinal parasites (e.g., roundworms, flukes, certain types of tapeworms, and Giardia) in pet poultry. Fenbendazole can be administered to each chicken orally by syringe, or added the flock’s drinking water source. Fenbendazole may not be effective against Capillaria spp. Fenbendazole is absorbed in the intestine, and is rapidly metabolized by the liver. The metabolic...
