Have varicose veins & saphenous vein valve not working. Why worse when using compression stocking or sitting/elevating leg? Heaviness, tingling foot.

Varicose vein Rx. Varicose veins are due to malfunctioning (refluxing) valves of the saphenous system of veins. Wearing compression hose is a medical management of the veins but it does not treat the underlying valve problem. If compression does not improve your systems or worsens them then you require a closure procedure to seal the leaking valves. See a vein specialist for a full venous evaluation and treatment.
Due to something els. You may have pelvic venous obstruction that would be made worse by support stockings and sitting. You may not be able to elevate you legs high enough without being bed to give relief. A venous ultrasound which usually looks at the legs would not necessarily diagnose your problem. You should consult a physician who specializes in venous diseases.