Foot bursitis is fairly common, especially among athletes and runners. In general, foot pain may affect 14 to 42 percent of adults at any one time. The bursa is a small, fluid-filled sac that cushions ...

Ankle bursitis happens when the bursa, a small fluid-filled sac in your ankle, becomes inflamed. This may cause swelling, pain, and limping. Treatment may involve ice, rest, and pain relievers. Your ...