Venous insufficiency occurs when valves become weak or damaged and your leg veins don't allow blood to flow back up to your heart. Symptoms of chronic venous insufficiency may include: Swelling or heaviness, painful legs, Varicose veins, itching, leg cramps or muscle spasms. If you are suffering from any of these symptoms or believe you may have venous insufficiency, schedule an appointment at vein treatment clinic today. Our experienced specialists utilize the latest technology in medical, and provide you minimally invasive treatments to bring you the relief that you deserve.