MedicationDosageComments
Onset of action over several days
Angiotensin-converting enzyme inhibitors
Lisinopril10 mg once per dayConsider alternative in patients with acute kidney injury or severe renal disease; may cause hyperkalemia and angioedema
Ramipril (Altace)2.5 to 10 mg once per day
Angiotensin receptor blocker
Telmisartan (Micardis)40 mg once per dayConsider alternative in patients with acute kidney injury or severe renal disease; may cause hyperkalemia
Beta blockers
Atenolol25 to 50 mg once per dayAvoid in patients with bradycardia; may cause bronchospasm
Metoprolol succinate (Toprol XL)25 to 100 mg once per day
Calcium channel blockers
Amlodipine (Norvasc)2.5 to 5 mg once per dayMay cause flushing and edema
Nifedipine*30 mg once per day
Diuretic
Hydrochlorothiazide12.5 to 25 mg once per dayUse with caution in patients with gout; may cause hypokalemia and hyponatremia
Onset of action over several hours
Alpha blocker
Prazosin (Minipress)1 to 2 mg twice per dayMay cause syncope, typically with the first dose; tachycardia; and orthostatic hypotension
Angiotensin-converting enzyme inhibitor
Captopril25 mg two or three times per dayConsider alternative in patients with acute kidney injury or severe renal disease; may cause rash, hyperkalemia, and angioedema
Beta blocker
Labetalol100 mg twice per dayMay cause orthostatic hypotension and nausea
Calcium channel blocker
Diltiazem30 mg four times per dayMay cause edema and headache
Central alpha2 adrenergic agonist
Clonidine0.1 to 0.2 mg twice per dayMay cause drowsiness, headache, fatigue, rash, and xerostomia