Knee bursitis (also known as housemaid's knee or clergyman's knee) occurs when one of the many bursae in the knee becomes inflamed, swollen, or irritated. A bursa, which is a fluid-filled sac, acts as ...

Dear Doctors: What's the best way to treat bursitis? My son has it in his knee. I have it in my right shoulder. It's extremely painful for each of us. Dear Reader: Bursitis is the inflammation of the ...