Description: Cilostazol is a quinolinone-derivative medication used in the alleviation of the symptom of claudication in individuals with peripheral vascular disease. Cilostazol is a phosphodiesterase inhibitor with therapeutic focus on cyclic adenosine monophosphate (cAMP). It inhibits platelet aggregation and is a direct arterial vasodilator. Its main effects are dilation of the arteries supplying blood to the legs and decreasing platelet coagulation. It is under the trade name Pletal.