Megaxin (Nihexynum; list B)- spasmolytic agent. Combined preparation containing 4 parts of hexylthiophene and 1 part of nicotinic acid. Megaxin assign primarily with spasms of blood vessels of the brain (cerebrosclerosis). In case of hypersensitivity to nicotinic acid may experience redness of the face, feeling tide to the head, slight dizziness. Assign Megaxin inside tablets, containing 0.2 and hexylthiophene and 0.05 g nicotinic acid, 1 tablet 3-4 times a day, the course of treatment 3-4-6 weeks. Cm. also Antispasmodic.