syndrome typically causes pain on the outside of the knee, Dr. Chen says. This syndrome can cause bursitis—irritating inflammation of a fluid-filled sac called the bursa. Although the typical ...

The pain of bursitis is often severe, the knee becomes quite hot and the inflammatory pain is usually quite sudden and responds to anti-inflammatory treatment such as non-steroidal anti ...

more severe pain accompanied by swelling on the outside of the knee. The prepatellar bursa is a thin, fluid-filled sack over the kneecap. Kneeling for extended periods can cause the bursa to ...