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Myositis is an inflammation or swelling of the muscles. It is usually caused by injury, infection, medicines, or an autoimmune disorder.

See also:

Alternative Names

Inflammatory myopathies


Greenberg SA. Inflammatory myopathies. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 269.

Myositis. Dorland's Online Medical Dictionary. Available at: www.dorlands.com//def.jsp?id=100069810. Accessed May 28, 2015.

Update Date 4/28/2015