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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Curr Treat Options Neurol. 2009 Nov;11(6):414–430. doi: 10.1007/s11940-009-0046-0
Standard dosage 50–400 mg/d.
Contraindications None known.
Main drug interactions None known.
Main side effects High doses may cause anorexia and nausea
Special points Can change urine odor and color.
Cost 60 tablets of 50 to 100 mg cost $5.