Myalgia means "muscle pain" and 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.
The most common causes of myalgia are overuse, injury or stress. However, myalgia can also be caused by diseases, disorders, medications, as a response to vaccination It is also a sign of acute rejection after heart transplant surgery.
The most common causes are:
- Injury or trauma including sprains and strains
- Overuse: using a muscle too much, too soon, too often
- Tension or stress
Muscle pain may also be due to:
Overuse of a muscle is using it too much, too soon and/or too often. Examples are:
The most common causes of myalgia by injury are: sprains and strain (injury).
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