The Department of Veterans Affairs (VA) provides health care at little or no charge to more than 5 million veterans annually.
Other possible causes for foot, leg, and ankle swelling include certain medical conditions or body changes, such as: Natural hormonal changes: Fluctuating levels of estrogen and progesterone can cause reduced circulation in the legs, resulting in swelling.
What is behind knee swelling? A swollen area that can be felt behind the knee can be caused by several different conditions. A Bakerâs cyst is a collection of synovial fluid (fluid that is present within joint spaces) that bulges out through the back of the knee joint and can be felt in the back of the knee as a lump or enlarged area.