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Veins in your legs have to carry blood back to the heart, and they can do this because the veins have one-way valves the stop the blood from flowing backwards with gravity. However, if you suffer from venous insufficiency these valves do not function properly and some of the blood remains in your legs which causes the blood to collect in the veins. This can result in pain and swelling, and sometimes leads to ulcers forming on the legs.
The symptoms of venous insufficiency are:
Venous insufficiency is due to malfunctioning vein valves in the legs. These valves can be damaged by blood clots (deep vein thrombosis, DVT). If you do not exercise much you can be at risk from venous insufficiency.
Other risk factors include:
The best way to prevent venous insufficiency is to make certain lifestyle changes:
As well as the above lifestyle changes, there are also medical treatments that can be recommended, particularly if these non-surgical measures have not proved successful. The following treatments might be recommended: