Cilostazol is a medication that helps to open the blood vessels to improve the circulation by keeping platelets from sticking together. It helps in reducing aching, crampy, tired and pain in legs that occurs during walking and goes away with rest due to poor circulation in arteries of the legs. Cilostazol belongs to platelets aggregation inhibitors with an ability to decrease clots forming property of platelets. It has a chemical formula C20H27N5O2 with a water solubility of 1.678 milligram per liter at 25 degree Celsius. Do not take this drug if you are allergic to it and consult your doctor first before consumption. Some of the side effects that may occur due to overdose are severe headache, fast & irregular heartbeat, severe dizziness etc.,