Brand name: FENBENZ Generic name: Fenbendazole Strength: 500 mg Dosage form: Tablet / Bolus / Powder (varies by manufacturer) Route of administration: Oral Composition Each unit contains: Fenbendazole 500 mg Approved veterinary excipients Drug Class Anthelmintic (dewormer) Benzimidazole compound Mechanism of Action Inhibits energy metabolism in parasites Disrupts microtubule formation in worms Leads to paralysis and death of parasites Indications (Animals) Used to treat gastrointestinal worms in animals, including: Roundworms Hookworms Whipworms Certain tapeworms Strongyles and other nematodes Common medical uses Chronic Hepatitis B Chronic Hepatitis C Certain blood cancers, such as: Hairy cell leukemia Chronic myelogenous leukemia (CML) Some lymphomas Kaposi’s sarcoma (associated with immune suppression) Certain skin conditions like severe viral warts How it works Boosts the body’s immune response Helps stop virus multiplication Slows down the growth of abnormal cells