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.
Left leg swelling may be the result of a leg injury. Leg swelling that occurs following an amputation should be reported to a doctor immediately. Applying an ice pack can help treat swelling. A blood clot is a potentially serious condition that can cause leg swelling. Edema can cause left leg swelling.