Plavix contains an active ingredient called Clopidogrel which is an antiplatelet used to inhibit platelet formation causing blood clots in the vessels. Does Plavix help lower blood pressure? Yes, it does. According to the recent study by the University of Cologne; since arterial hypertension is associated with platelet activation, increased platelet-derived sCD40L* levels, and endothelial dysfunction, therefore, the inhibition of …