Plavix Tablet helps reduce the risk of heart attacks and strokes by preventing blood clots from forming inside blood vessels. It stops platelets in the blood from sticking together, which lowers the chance of clot formation that can block blood flow to the heart or brain. The recommended dose is 75 mg per day for patient with a history of MI, stroke, or peripheral vascular disease. Many doctors may choose to add an aspirin per day along with the Plavix dose in both non-ST elevation and ST elevation MIs as well as to stroke and peripheral vascular disease patients. Clopidogrel is used to lower your risk of having a stroke, blood clot, or serious heart problem after you've had a heart attack, severe chest pain (angina), or circulation problems. Learn about clopidogrel (Plavix) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Plavix prevents platelets in your blood from sticking together to form an unwanted blood clot that could block an artery. Plavix is used to lower your risk of having a stroke, blood clot, or serious heart problem after you've had a heart attack, severe chest pain (angina), or circulation problems. Clopidogrel (Plavix®) is an antiplatelet drug you can take to prevent blood clots. It keeps platelets in your blood from coming together and making clots. Find patient medical information for Clopidogrel (Plavix) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.