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.
Bakerâs (popliteal) cyst behind knee: Causes, symptoms, and natural treatment options. A Bakerâs cyst (popliteal) is a fluid-filled sac that causes a bulge, along with feelings of tightness, behind the knee. The pain can worsen when the leg is extended at the knee or when the knee flexes as a result of activity.