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|Other names||Muscle pain, muscle ache|
|One of the myalgic symptoms|
Myalgia (also called muscle pain and muscle ache in layman's terms) is the medical term for muscle pain. Myalgia is a symptom of many diseases. The most common cause of acute myalgia is the overuse of a muscle or group of muscles; another likely cause is viral infection, especially when there has been no trauma.
The most common causes of myalgia are overuse, injury, and strain. Myalgia might also be caused by allergies, diseases, medications, or as a response to a vaccination. Dehydration at times results in muscle pain as well, especially for people involved in extensive physical activities such as workout.
Muscle pain is also a common symptom in a variety of diseases, including infectious diseases, such as influenza, muscle abscesses, Lyme disease, malaria, trichinosis or poliomyelitis; autoimmune diseases, such as celiac disease, systemic lupus erythematosus, Sjögren's syndrome or polymyositis; gastrointestinal diseases, such as non-celiac gluten sensitivity (which can also occur without digestive symptoms) and inflammatory bowel disease (including Crohn's disease and ulcerative colitis).
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)
- 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 (a.k.a. myalgic encephalomyelitis)
- Ehlers Danlos Syndrome
- Stickler Syndrome
- Exercise intolerance
- Peripheral neuropathy
- Eosinophilia myalgia syndrome
- Barcoo Fever
- Delayed onset muscle soreness
- Generalized anxiety disorder
- Tumor-induced osteomalacia
- Hypovitaminosis D
Withdrawal syndrome from certain drugs
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