Mebex 100MG (mebendazole) is a broad-spectrum antiparasitic drug used to treat a variety of parasitic infections. It is an over-the-counter drug in the United States and is safe for adults and children. Mebex 100MG effectively kills roundworms. Hookworms, hookworms and other parasites. It is easy to take and has few side effects. Buy Mebex 100MG now and treat parasitic infections quickly and effectively.