Mebendazole or MBZ, marketed as Ovex, Vermox, Antiox, Pripsen,'s a benzimidazole drug that's used to treat infestations by worms including pinworms, roundworms, tapeworms, hookworms, and whipworms. Mechanism Mebendazole causes slow immobilization and death of the worms by selectively and irreversibly blocking the uptake of glucose and other nutrients. It's a spindle poison that induces chromosome nondisjunction. Dosage Oral dosage's 100 mg per dose, two doses per day, for three days. This regim… (More on Mebendazole)