Our expert says:
Swelling of the feet can happen because you have heart failure (heart can't pump the blood away from the legs fast enough and then fluid accumulates) or you have incompetent veins - blood gets pumped back to the heart but keep on falling back because the valves do not work in the legs, or if the body loses a lot of protein the fluid tends to move to the tissue from the veins, causing swelling.
So one needs to check for heart failure, kidney failure and varicose veins.Treatment depends on the cause.
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