The swelling of the ankles is caused by fluid buildup in the tissues around the area. Edema can be caused by poor circulation. Fluid is trapped between cells. Side effects of medications such as high blood pressure medication can cause it. Arthritis and gout can cause swelling.Gout is a condition where uric acid builds up around the ankles, causing inflammation and swelling. Swelling ankles is more common in obese people. The swelling of the ankles can also be caused by…