What is Bursitis?

Bursitis is an inflamation of a sac of fluid called a bursae.  This fluid is used as a cushion between bones, tendons and muscles.  The sac can become swollen and painful, especially after something repetitive mpvements.  Bursitis can be common in people with rheumatid arthritis.  Rest, ice to the area, and nonsteroidal antiinflammatory medications are commonlly used to treat bursitis.  If the bursitis becomes too bothersome,  an injection of corticosteroids may be needed.