What Is Fibromyalgia?

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Source: www.webmd.com/fibromyalgia/guide/what-is-fibromyalgia

what is fibromyalgia

Fibromyalgia - Wikipedia, the free encyclopedia


** Fibromyalgia **

From Wikipedia, the free encyclopedia
Jump to: navigation, search

/Classification and external resources/

The location of the nine paired tender points that comprise the 1990
American College of Rheumatology criteria for fibromyalgia.
ICD-10 M79.7
ICD-9 729.1
MedlinePlus 000427
eMedicine med/790 med/2934 ped/777 pmr/47
MeSH D005356

*Fibromyalgia* (*FM* or *FMS*) is characterised by chronic widespread pain
and allodynia (a heightened and painful response to pressure).^[1] Its
exact cause is unknown but is believed to involve psychological, genetic,
neurobiological and environmental factors.^[2]^[3]^[4] Fibromyalgia
symptoms are not restricted to pain, leading to the use of the alternative
term *fibromyalgia syndrome* for the condition. Other symptoms include
debilitating fatigue, sleep disturbance, and joint stiffness. Some
patients^[5] also report difficulty with swallowing,^[6]bowel and bladder
abnormalities,^[7]numbness and tingling,^[8] and cognitive dysfunction.^[9]
Fibromyalgia is frequently comorbid with psychiatric conditions such as
depression and anxiety and stress-related disorders such as posttraumatic
stress disorder.^[10]^[11] Not all fibromyalgia patients experience all
associated symptoms.^[12] Fibromyalgia is estimated to affect 2–4% of
the population,^[10] with a female to male incidence ratio of approximately
9:1.^[13] The term "fibromyalgia" derives from new Latin, /fibro-/, meaning
"fibrous tissues", Greek /myo-/, "muscle", and Greek /algos-/, "pain"; thus
the term literally means "muscle and connective tissue pain".

There is evidence that environmental factors and certain genes increase the
risk of developing fibromyalgia – these same genes are also associated
with other functional somatic syndromes and major depressive disorder.^[14]
The central symptom of fibromyalgia, namely widespread pain appears to
result from neuro-chemical imbalances including activation of inflammatory
pathways in the brain which results in abnormalities in pain
processing.^[15] The brains of fibromyalgia patients show functional and
structural differences from those of healthy individuals

Source: en.wikipedia.org/wiki/Fibromyalgia

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