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Myalgia, or muscle pain, is a symptom of many diseases and disorders. The most common causes are the overuse or over-stretching of a muscle or group of muscles. Myalgia without a traumatic history is often due to viral infections. Longer-term myalgias may be indicative of a metabolic myopathy, some nutritional deficiencies or chronic fatigue syndrome. ==Causes== The most common causes of myalgia are overuse, injury or strain. However, myalgia can also be caused by diseases, disorders, medications, or as a response to a vaccination. It is also a sign of acute rejection after heart transplant surgery. The most common causes are: * Injury or trauma, including sprains, hematoma * Overuse: using a muscle too much, too often, including protecting a separate injury * Chronic tension Muscle pain occurs with: * Rhabdomyolysis, associated with: * *Viral * *Compression injury * *Drug-related, esp fibrates and statins, occ ACE inhibitors, cocaine, some retro-viral drugs * *Severe potassium deficiency * Fibromyalgia * Infections, including: * * Influenza (the flu) * * Lyme disease * * Babesiosis * * Malaria * * Toxoplasmosis * * Dengue Fever * * Hemorrhagic fever * * Muscle abscess * * Polio * * Rocky Mountain spotted fever * * Trichinosis (roundworm) * * Ebola *Auto-immune disorders, including: * * Systemic lupus erythematosus * * Polymyalgia rheumatica * * Polymyositis * * Dermatomyositis * * Multiple Sclerosis (this is neurologic pain localised to myotome) * *Ehlers-Danlos syndrome *Reaction to Statin drugs * Other * * Postorgasmic illness syndrome (POIS) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Myalgia」の詳細全文を読む スポンサード リンク
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