Ramipril is used alone or together with other medicines to treat high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. Find patient medical information for Ramipril (Altace) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Ramipiril 5mg Tablet is an angiotensin converting enzyme (ACE) inhibitor. It works by reducing stress on the heart and relaxing blood vessel so that blood flows more smoothly and the heart can pump blood more efficiently. Ramipiril 5mg Tablet may cause excessive drowsiness with alcohol. Ramipril is used to treat high blood pressure (hypertension) or congestive heart failure to reduce the risk of cardiovascular events, strokes, and myocardial infarctions.