500 mg once daily. Inj Unconsciousness due to head trauma or brain surgery
100-500 mg IM/IV 1-2 times daily. Unconsciousness in acute stage of cerebral infarction
1,000 mg/day IV for 2 consecutive wk. Post-apoplectic hemiplegia
1,000 mg/day IV for 4 consecutive wk. Continue treatment for additional 4 wk if clinical improvement occurs.