Swelling while in the ankles, feet, or legs is often due to fluid buildup, also called oedema. This occurs when extra fluid leaks from blood vessels and accumulates within the surrounding tissues. Some typical causes of swollen ankles and feet consist of: Gout flares usually very last for one–2 weeks. https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/