Myositis

For the "forget-me-nots" plant genus, see Myosotis. For the phase of cell division where replicated chromosomes are separated into two new nuclei, see Mitosis.

Myositis
Specialty	Rheumatology

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

External links

• Myositis: NIH

Myositis Association https://www.myositis.ort