Ramipril is a blood pressure medication and is an ACE inhibitor. It works by lowering blood pressure and assists in the prevention of strokes, heart attacks, and kidney problems. Ramipril is also used to help people survive a heart attack. It may also be used to help prevent heart attacks and strokes in high-risk people such as those with heart disease or diabetes. This medicine may also be used to treat heart failure in those who have recently experienced a heart attack. It can be taken either once or twice with meals. Common ramipril side effects may include headache, cough, dizziness, weakness, and tired feeling.