Altace used alone or in combination with other medications to treat high blood pressure. We carry the generic version that goes by contains the same amount of the active ingredients (Ramipril by Bristol) as the name brand Altace. The only difference is the cost, you pay less with Global Pharmacy. Ramipril is used alone or in combination with other medications to treat high blood pressure. It is also used to reduce the risk of heart attack and stroke in patients at risk for these problems and to improve survival in patients with heart failure after a heart attack. Ramipril is in a class of medications called angiotensin-converting enzyme (ACE) inhibitors. It works by decreasing certain chemicals that tighten the blood vessels, so blood flows more smoothly and the heart can pump blood more efficiently. WARNING: Do not take ramipril if you are pregnant. If you become pregnant while taking ramipril, call your doctor immediately. Ramipril may harm the fetus. How it works Altace belongs to a group of drugs called ACE Inhibitors. These work by widening the blood vessels and improving the flow of blood throughout the body.