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|Other names||Muscle pain, muscle ache|
In medicine, myalgia, also known as muscle pain or muscle ache, is a symptom that presents with a large array of diseases. While the most common cause is the overuse of a muscle or group of muscles, acute myalgia may also be due to viral infections, especially in the absence of a traumatic history. Longer-term myalgias may be indicative of a metabolic myopathy, some nutritional deficiencies, or chronic fatigue syndrome.
The most common causes of myalgia are overuse, injury, or strain. However, myalgia can also be caused by diseases, medications, or as a response to a vaccination. Dehydration at times results in muscle pain as well, for people involved in extensive physical activities such as workout. 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:
- Ehlers-Danlos syndrome
- Auto-immune disorders, including:
- Infections, including:
- Multiple sclerosis (neurologic pain interpreted as muscular)
- Myalgic Encephalomyelitis (chronic fatigue syndrome)
- Mixed connective tissue disease
- Lupus erythematosus
- Fibromyalgia syndrome
- Familial Mediterranean fever
- Polyarteritis nodosa
- Devic's disease
- Carnitine palmitoyltransferase II deficiency
- Conn's syndrome
- Adrenal insufficiency
- Postorgasmic illness syndrome
- Chronic fatigue syndrome
- Ehlers Danlos Syndrome
- Stickler Syndrome
- Exercise intolerance
- Peripheral neuropathy
- Eosinophilia myalgia syndrome
- Barcoo Fever
- Delayed onset muscle soreness
- Tumor-induced osteomalacia
- Hypovitaminosis D
Withdrawal syndrome from certain drugs
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- Shmerling, Robert H (April 25, 2016). "Approach to the patient with myalgia". UpToDate. Retrieved 2018-05-27.