Swelling inside the ankles, feet, or legs is usually due to fluid buildup, also referred to as oedema. This occurs when excessive fluid leaks from blood vessels and accumulates in the bordering tissues. Some frequent causes of swollen ankles and feet consist of: We use the info you give to https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/