For adult woman, there is a 50 percent chance that you may incur unsightly spider veins. Identified as thin veins – red, blue, or purple in color, spider veins lie close to the surface of the skin and usually appear on the thighs, calves, and ankles. There are various reasons for how and why spider veins may arise. For example, reasons can apply to heredity, pregnancy, and other events that cause hormonal shifts. Weight gains, occupations or activities that require prolonged standing or sitting, and the use of some medications can also contribute to spider veins. Luckily, Dr. Lyos can perform a short procedure known as sclerotherapy to alleviate the unsightly veins. While the procedure is efficient, it may take one or two more procedures to completely get rid of the veins.