Thanks for following up. Insuficiensy of vein s valves causus bad micro-circulation and swelling of legs.There are a lots risk factors: Standing or sitting for a long time Heredity or family history of varicose veins Advancing age Female gender(hormonal dysbalance from puberty, pregnancy, menopause, taking birth control pills or hormone replacement therapy) Defective valves,especially in poplitea region Trombophlebitis Prolonged standing ( in occupations such as surgeons,dentists,nurses, beauticians, teachers, factory workers and others) Prolonged sitting with legs crossed Overweight Wearing tight undergarments or clothes A history of blood clots Injury to the veins Conditions that cause increased pressure in the abdomen( liver disease,ascitis, previous groin surgery, or heart failure) I suggest you- 1.Take diosmin(venex 500 or venusmin 300 1 tablet 1 time in the morning before breakfast) during 2 month 2.For local therapy you can apply thrombophob 2 times daily during 1 month 3. Wear elastic stockings with mild compression Hope I answered your query.If you have any further questions I will be happy to help if not don t forget to close the discussion and rate it. Wishing you good health! Regards Dr.Sagar Gaurav Shrivastva