HTN Initially 25 mg bid or tid. May be increased to 100 mg bid or tid up to 150 mg bid or tid. Max daily dose: 450 mg in divided doses.
Patient w/ severe HTN, when temporary discontinuation of current antihypertensive therapy is not practical or desirable, or when prompt titration to more normotensive BP levels is indicated Initially 25 mg bid or tid.
Heart failure Initially 25 mg tid. Max daily dose: 450 mg in divided doses.
Patient w/ normal or low BP, vigorously treated w/ diuretics & may be hyponatremic &/or hypovolemic Initially 6.25 or 12.5 mg tid.
Left ventricular dysfunction after MI Initially 12.5 mg tid after a single dose of 6.25 mg, increased to 25 mg tid. Maintenance dose: 50 mg tid.
Diabetic nephropathy 75-100 mg/day in divided doses.
Patient w/ severe renal impairment 12.5 mg bid.
Elderly w/ reduced renal function & other organ dysfunctions Initially 6.25 mg bid.
Childn 12-18 yr Test dose: 0.1 mg/kg (max: 6.25 mg), if tolerated, give 12.5-25 mg bid or tid, max: 150 mg/day in divided doses,
1 mth-12 yr Test dose: 0.1 mg/kg (max: 6.25 mg), if tolerated, give 0.1-0.3 mg/kg bid or tid, max: 6 mg/kg/day in divided doses,
1 mth-1 yr Max: 4 mg/kg/day in divided doses.