Varicose veins

Varicose vein: A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often associated with incompetency of the valves in the vein. These visible and bulging veins are often associated with symptoms such as tired, heavy, or aching limbs. In severe cases, varicose veins can rupture, or open sores (varicose ulcers) can form on the skin.

Varicose veins most frequently affect women. A family history of varicose veins and advancing age factors. In some cases, absence or weakness of valves in veins, which prevent the backward flow of blood away from the heart, may cause the varicosities. In other cases, weaknesses in the vein walls cause blood to pool. Less commonly, varicose veins are due to diseases such as phlebitis (inflammation of the veins).

Varicose veins are usually progressive and cannot be prevented entirely. However, wearing support stockings and maintaining normal weight and regular exercise may be beneficial.

For many people, varicose veins and spider veins - a common, mild and medically insignificant variation of varicose veins - are simply a cosmetic concern. For other people, varicose veins can cause aching pain and discomfort. Sometimes the condition leads to more serious problems. Varicose veins may also signal a higher risk of other disorders of the circulatory system.

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