Plavix, also called clopidogrel, is a drug prescribed to patients following a heart attack, stroke, unstable angina, stent insertion or other cardiac conditions. The drug is prescribed for 1 year following the medical event. During this time, many patients do not experience any other significant medical situation. However, upon stopping the drug, patients may in fact be doubling their risk for a subsequent cardiac event for up to 3 months and potentially longer. Doctors and researchers are now realizing this phenomenon and are looking into patient experiences. There is no determination as to why this might be happening or how to prevent it, but doctors and researchers are aware of the side effects of stopping Plavix and are researching alternatives.