Add-on therapy: may be used if not controlled on monotherapy; if dose-limiting adverse reactions with amlodipine 10mg, switch to 40/5mg tab. Replacement therapy: may be substituted for the ...

≤95mm Hg were randomised to receive amlodipine 5 mg/day or hydrochlorothiazide 50 mg/day for 8 weeks (phase II). After 4 weeks of active treatment, if sitting SBP (sSBP) still was above 150mm Hg ...