Cerebrovascular disorders, Cognitive disorder, Head injury, Parkinson's disease
Adult: 500-1,000 mg daily given via IM inj or slow IV inj over 3-5 minutes, or infused at a rate of 40-60 drops/minute.
Oral
Cerebrovascular disorders, Cognitive disorder, Head injury, Parkinson's disease
Adult: As tab: 500 mg once daily or bid, or 1,000 mg once daily. As solution: 100-200 mg bid or tid.