Epilepsy Adult 150 mg/day in 2 or 3 divided doses. May be increased to 300 mg/day after an interval of 3-7 days. Max: 600 mg/day after an additional 7-day interval.
GAD Adult 150-600 mg/day in 2 or 3 divided doses. Initially 150 mg/day, may be increased to 450 mg/day. Max: 600 mg/day after an additional 7 days.
Renal impairment CrCl ≥60 mL/min Starting dose: 150 mg/day bid or tid, max: 600 mg/day bid or tid,
≥30 to <60 mL/min Starting dose: 75 mg/day bid or tid, max: 300 mg/day bid or tid,
≥15 to <30 mL/min Starting dose: 25-50 mg/day once daily or bid, max: 150 mg/day once daily or bid,
CrCl <15 mL/min Starting dose: 25 mg once daily, max: 75 mg once daily.
Supplementary dose following haemodialysis 25 mg as a single dose. Max: 100 mg as a single dose.