Why Do Bursa Sacs Get Inflamed?

The most common causes of bursitis are injury or overuse, but it can also be caused by infection. Pain, swelling, and tenderness near a joint are the most common signs of bursitis. Bursitis can be treated with rest and medicines to help with the inflammation. Antibiotics are used if infection is found.

What causes bursitis to flare up?

What causes bursitis? Repetitive motions, such as a pitcher throwing a baseball over and over, commonly cause bursitis. Also, spending time in positions that put pressure on part of your body, such as kneeling, can cause a flare-up. Occasionally, a sudden injury or infection can cause bursitis.

How do bursa sacs get infected?

When a bursa is inflamed and infected, it's called “septic bursitis.” A bursa can become infected when harmful bacteria enter it via a cut, puncture or insect bite. It's also possible for the infection to come from other parts of the body. In such cases, the origin may be unknown.