Varicose veins are enlarged, bulging veins that most commonly appear in the legs and feet. Varicose veins may be caused by weakened valves inside the vein that allows a build up of blood rather than traveling back to your heart. This can cause pain, aching, heaviness, burning, or discoloration of the skin.
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![Varicose Vein Varicose Vein](https://upload.wikimedia.org/wikipedia/commons/7/79/Varicose_veins.jpg)