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.
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.