Myositis

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Retrieved
2021-01-18
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Myositis is inflammation or swelling of the muscles. Injury, medicines, infection, or an immune disorder can lead to myositis.

It is a documented side effect of the lipid-lowering drugs statins and fibrates.

Types

Types of myositis include:

  • myositis ossificans
  • (idiopathic) inflammatory myopathies
    • dermatomyositis
      • juvenile dermatomyositis
    • polymyositis
    • inclusion body myositis
    • benign acute childhood myositis
    • Statin-associated autoimmune myopathy
  • pyomyositis

Diagnosis

Elevation of creatine kinase in blood is indicative of myositis.

Treatment

Polymyositis and dermatomyositis are first treated with high doses of corticosteroids.

See also

  • Myopathy (muscle disease)
  • Myalgia (muscle pain)
  • Masticatory muscle myositis (a disease in dogs)
  • Perimyositis