Improper functioning of the vein valves in the leg, causing swelling and skin changes. Normally, the vein valves keep blood moving back toward the heart. Signs and symptoms may include varicose veins, swelling, skin color changes on the affected leg, numbness, tingling or other neuropathic pain. If the condition progresses, leg ulcers can form. Treatment includes a comprehensive evaluation by our specialist, Dr. Mary K. Benjamin-Swonger in Scottsdale, Arizona to improve signs and symptoms and better yet, to decrease the risk of ulcers.