Adult >18 yr HTN 80 or 160 mg once daily, may be increased to 320 mg once daily or diuretic may be added.
Heart failure Initially 40 mg bd, up-titrated to 80 & 160 mg bd as tolerated.
Post MI Initially 20 mg bd, up-titrated to max: 160 mg bd as tolerated. May be initiated as early as 12 hr after MI.