Tab 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.