The author’s institution usually uses doxazocin (an alpha blocker), amlodipine, verapamil (a calcium channel blocker), atenolol (a beta blocker), enalapril (angiotensin-converting enzyme inhibitors), and hydralazine (a direct vasodilator) as antihypertensive drugs to effectively manage blood pressure in patients diagnosed with functioning adrenal tumors. Here, ACE is linked to adrenal gland neoplasm.