HTN Initially 0.5 mg bid or tid for 3-7 days. May be increased to 1 mg bid or tid for further 3-7 days, & gradually increase according to patient's response to max dose of 20 mg daily in divided doses. Combination w/ diuretics or other antihypertensives: Reduce dose to 1 mg or 2 mg tid & gradually increase according to patient's response & tolerance.
Patient receiving other antihypertensives w/ inadequate control Reduce the other drug to maintenance dose level. Initiate 0.5 mg in evening, then continue w/ 0.5 mg bid or tid.
BPH Initially 0.5 mg bid, & increase to maintenance max dose of 2 mg bid.
Moderate to severe renal & hepatic impairment Initially 0.5 mg daily. May be increased cautiously.
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