Venous Insufficiency can cause burning, itching, swollen painful legs.
While arteries carry blood away from the heart, veins carry it back. In order to make sure that the blood only flow in one direction, they have valves. If the valves do not work properly then blood may pool in the limbs (especially the legs). This is called reflux. It can cause swelling, burning, itching and skin color changes. Your legs may also feel heavy, tired, restless, or achy. You may feel pain while walking or shortly after stopping. This is called venous insufficiency.