Plavix 75mg 28'sPlavix contains clopidogrel and belongs to a group of medicines called antiplatelet medicinal products. Platelets are small structures in the blood that clump together during blood clotting. By preventing this clumping, antiplatelet medicinal products reduce the chances of blood clots forming, a process known as thrombosis. Plavix is used by adults to prevent blood clots (thrombi) from forming in hardened blood vessels (arteries), a condition known as