This information does not constitute, and is not intended as, legal or financial advice. Blue Cross and Blue Shield of Illinois, a Division of Health Care Service Corporation, a Mutual Legal Reserve Company, an Independent Licensee of the Blue Cross and Blue Shield. Association.
Swelling (Edema) and Diabetes-Swelling in the Legs, Ankles and Feet. Edema commonly affects the ankles, legs, feet and wrists. Edema (known as oedema in the UK) is a build up of fluid in the body (water retention) which causes swelling. Edema commonly affects the legs, ankles, feet and wrist. Water retention is often treatable, with treatment varying depending on the cause.
There are many potential causes of foot, leg, and ankle swelling. 1  Being overweight: Excess body mass can decrease blood circulation, causing fluid to build up in the feet, legs, and ankles.  Standing or sitting for long periods: When the muscles are inactive, they canât pump body fluids back up toward the heart.