Edema is the term used to describe the swelling that results from excess fluid that is trapped in the tissues of the body. Dependent edema is caused by the effects of gravity and occurs when fluid pools in the lower parts of the body, including the feet, legs, or hands. This article discusses the causes and symptoms of dependent edema, as well as the available treatment options.The main symptom of dependent edema is swelling of the lower body parts.Dependent edema happens when gravity pulls blood toward the feet.The treatment for dependent edema will vary, and it may not be curable.Gravity pulls blood toward the parts of the body that are closest to the ground. For example, edema may occur in the feet, but people who are bedbound may experience edema in the buttocks.
Usually, the blood is pumped back from feet toward the heart by the veins and the motion of the muscles. When this system malfunctions, the lower body parts begin to fill up with excess fluid, causing the swelling and puffiness of edema.