Clopidogrel Capsules Suppliers in India Clopidogrel is used to prevent heart attacks and strokes in people with heart disease (recent heart attack), recent stroke, and circulatory disease (peripheral vascular disease). It is also used with aspirin to treat new / worsening chest pain (new heart attack, severe angina) and to keep open blood vessels after certain operations (such as cardiac stent) and prevent blood clots. Clopidogrel works by prohibiting platelets from sticking together and preventing harmful clots from formation. It's an antiplatelets drug. This helps to keep the body's blood flow smoothly.