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.
A Bakers cyst, or popliteal cyst, is a bulging lump behind your knee. Inside the lump is a sac filled with fluid. The cyst is caused by fluid buildup in your knee joint. This can happen if you have a knee injury, such as a cartilage tear. Osteoarthritis or rheumatoid arthritis can also cause an abnormal buildup of joint fluid. Common signs and symptoms: 1  A lump or swelling in the back of your knee when you stand or walk. 2  Knee swelling that goes away when you bend your knee. 3  Knee pain. 4  Stiffness or tightness in your knee that may get worse with movement.