The Department of Veterans Affairs (VA) provides health care at little or no charge to more than 5 million veterans annually.
There are many potential causes of foot, leg, and ankle swelling. In most cases, swelling occurs as a result of certain lifestyle factors, such as: Being overweight: Excess body mass can decrease blood circulation, causing fluid to build up in the feet, legs, and ankles.
Get help from a doctor now âº. Varies: With enough swelling in the knee, venous return of blood can slow and your ankle can swell. It is quite common after knee surgery to have some temporary foot and leg swelling. It can be improved with elevation and compression socks temporarily.