Myositis is inflammation of muscle tissue, especially the muscles
that control movement of the body. There are several types of myositis, such as
one that also causes a rash (dermatomyositis) and one that occurs throughout
the body (polymyositis).
Symptoms of myositis include muscle pain and weakness. Treatment
includes anti-inflammatory and corticosteroid medicines, rest, and physical
Anne C. Poinier, MD - Internal Medicine & Nancy Ann Shadick, MD, MPH - Internal Medicine, Rheumatology