Altace ( Ramipril) is an antihypertensive known as an ACE inhibitor. Altace controls high blood pressure by relaxing blood vessels. High blood pressure levels can damage your kidneys, and may lead to a stroke or heart failure. it also helps to treat patients with heart failure. If you experience dry cough contact with your doctor.  It is best to take  on an empty stomach. this drug can increas level of potassium in blood.