If varicose veins are left untreated, the skin surrounding them may begin to itch or burn. Over time, the skin may become dry, flaky and darker in color. These skin changes are caused by high pressure in the veins from a reverse flow of blood and result in poor nutrition to the skin. Eventually, these skin changes can lead to a venous leg ulcer which is very painful and difficult to heal. The inside (medial) or outside (lateral) aspect of the calf or ankle are common locations for a venous leg ulcer to occur. A diagnostic ultrasound is essential to determine if the ulcer is caused by underlying venous insufficiency, and if it exists, a procedure will be recommended. Once treatment of the underlying problem is completed, the wound often heals very quickly.
Ulcerations to the lower extremities may also occur as a complication of poor arterial blood flow. This often manifests itself as an open sore on the toe and is a common complication of uncontrolled Diabetes. The cause of this type of ulcer is very different from a venous leg ulcer; therefore, treatment is best directed by a primary care physician.