Initially 150 mg tds, approx 8 hr apart (±2 hr). May increase to 200 mg tds after a min of 4 wk of treatment depending on clinical response.
Severe renal impairment (eGFR <30 mL/min/1.73 m2) Initially 100 mg tds, approx 8 hr apart (±2 hr). May increase to 150 mg tds after a min of 4 wk of treatment depending on clinical response.