Bursae are small sacs of fluid around different bones and joints in your body. These sacs help cushion your joints and stop your bones from rubbing against each other. Bursitis happens when a bursa ...

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 ...