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.
This includes a tear in a ligament or cartilage of the knee or arthritis. This can cause stiffness in the leg and discomfort. There are often symptoms of swelling and bruising behind the knee. The size of the cyst can determine the range of motion which is caused by the pain.