Myopathy
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Myopathies are disorders of the skeletal muscles which cause a variety of types of muscle weakness or muscle function problems.[1] Myopathies can be inherited (genetic), or acquired, and result in abnormal muscle cell structure and metabolism.[1]
Acquired myopathies
Acquired myopathies usually begin suddenly and later in life, rather than in childhood. They are often acute (brief) rather than long-term conditions.
Inherited myopathies can be caused by:
- Inflammation
- infection (for example, the Epstein-Barr virus),
- toxins (alcohol, toluene, or a reaction to certain medications including statins, steroids or antivirals), and
- systemic diseases (for example, thyroid diseases or Systematic Lupus Erythemastosus).[1]
Inherited myopathies
Symptoms of inherited myopathies usually begin in childhood, and have a long duration.[1] The types of inherited myopathies are:
