List of products in the National Drug Code with proprietary name . Perindopril is used to treat high blood pressure. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. This medication is also used to prevent heart attacks in people with a certain type of heart disease (stable coronary artery disease). Perindopril belongs to a class of drugs known as ACE inhibitors. It works by relaxing blood vessels so blood can flow more easily.