Swelling during the ankles, feet, or legs is often brought on by fluid buildup, also referred to as oedema. This occurs when excess fluid leaks from blood vessels and accumulates inside the encompassing tissues. Some frequent causes of swollen ankles and feet involve: Obesity: Carrying surplus weight can tension leg https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/