Excuse me instep dropsy is what reason, go to a hospital hang what branch

There are many reasons for instep edema, such as sedentary, long-standing caused by poor venous circulation of lower limbs, heart failure, renal insufficiency, etc., patients can see endocrinology department perfect examination clear diagnosis, usually to limit the intake of water and sodium, diet should be light, can raise feet to promote venous circulation to alleviate symptoms.