HTN 50 mg once daily, may be increased to 100 mg daily based on BP response in 1 or 2 divided doses.
Patient w/ intravascular vol depletion (those treated w/ high-dose diuretics) Initially 25 mg daily.
Elderly >75 yr Initially 25 mg once daily.
Diabetic nephropathy Initially 50 mg once daily, increased to 100 mg once daily depending on BP.