Swelling inside the ankles, feet, or legs is usually caused by fluid buildup, also referred to as oedema. This happens when excessive fluid leaks from blood vessels and accumulates in the bordering tissues. Some common causes of swollen ankles and feet include: It's important to Get hold of a health https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/