Myalgia means "musclepain" and is a symptom of many diseases and disorders. The most common cause for myalgia is either overuse or overstretching 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. A top-down view of skeletal muscle Muscle is a contractile form of tissue. ... According to the International Association for the Study of Pain (IASP), one should distinguish between pain and nociception. ... A virus is a nonliving small particle that infects cells in biological organisms. ... Chronic fatigue syndrome (CFS), also known as myalgic encephalomyelitis (ME), post-viral fatigue syndrome (PVFS) and various other names, is an organic disorder of unknown and possibly multiple etiology, affecting the central nervous system (CNS), immune system, and many other functions. ...
Musclepain is most frequently related to tension, overuse, or muscle injury from exercise or physically-demanding work.
Musclepain also can be a sign of conditions affecting your whole body, like some infections (including the flu) and disorders that affect connective tissues throughout the body (such as lupus).
One common cause of muscle aches and pain is fibromyalgia, a condition that includes tenderness in your muscles and surrounding soft tissue, sleep difficulties, fatigue, and headaches.
Characteristically, the muscles of the trunk of the body are affected (i.e., neck, pelvic girdle and thighs, shoulder girdle and upper arms).
Pain in the small muscles of the hand or weakness of the grip are not symptoms of SLE myositis.
A microscopic examination of a sample of muscle tissue (biopsy) may also be taken from a painfulmuscle to confirm the presence of inflammation and to help identify the severity of the inflammation.
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