my father 82 yrs old, having swelling in feet (feet likes baloons sometimes) as he is too week to walk, and taking food regularly. what causes to this swelling ?
There are many possibilities. Your father needs an in-person medical evaluation and treatment, which may range from medication to elastic stockings to elevation of the feet and legs.
It sounds like edema! This can be caused by blood clots, medication or any number of things he should keep his legs raised above his heart! He should be seen by his doctor A.S.A.P.