Clopidogrel (Plavix) is a prescription antiplatelet medication that helps lower your risk of heart attack or stroke. It works by stopping platelets in your blood from sticking together and forming clots. Plavix (clopidogrel) is used to prevent blood clots after a recent heart attack or stroke. Includes Plavix side effects, interactions and indications. Clopidogrel is a platelet inhibitor. It reduces the chance that a harmful blood clot will form by preventing platelets from clumping together in the blood. Clopidogrel may also increase the chance of serious bleeding in some people. This medicine is available only with your doctor's prescription. Plavix (clopidogrel bisulfate) is a thienopyridine class of drug that inhibits platelet aggregation and thus inhibits aspects of blood clotting used to treat patients with acute coronary syndrome, myocardial infarction (MI), peripheral vascular disease and some stroke (ischemic type) patients. Clopidogrel is used to prevent heart attack and stroke in people who are at high risk of these events, including those with a history of myocardial infarction and other forms of acute coronary syndrome, stroke, and those with peripheral artery disease. 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. Clopidogrel is available as Plavix and generic clopidogrel in the following dosage forms that are taken by mouth. How should I store clopidogrel? Clopidogrel should be stored at room. A Plavix generic is available. Learn the difference in cost, dosages, and how to switch to generic Plavix (clopidogrel bisulfate). Clopidogrel oral tablet is a generic prescription drug that’s available as the brand-name drug Plavix. Generic drugs usually cost less than the brand-name version. Generic Name: clopidogrel bisulfate. Drug Class: Antiplatelet Agents, Hematologic. What is clopidogrel, and what is it used for? Clopidogrel bisulfate (Plavix) is an anti-platelet drug, that is, a drug that inhibits the ability of platelets to clump together as part of a blood clot.