Myositis

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 therapy.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.