Fibromyalgia is a clinical syndrome wherein the patient experiences generalized pain and fatigue that cannot be explained by the presence of any other disorder.
It is often considered to be psychosomatic or psychogenic in nature.
It is found in approximately 2% of the population and the prevalence increases with age, most common in women 20-55 year of age


  • A syndrome of chronic diffuse pain syndromes that affect muscles, soft tissues (eg tendons, ligaments) and other somatic symptoms
  • May be related to alterations in CNS pain processing
  • Found in approx 2% of the population & the prevalence increases w/ age, most common in women 20-55 yr of age


  • Etiology of pain is not known; often considered to be psychosomatic or psychogenic in nature

Signs and Symptoms

Clinical Manifestations

  • Widespread pain - initially localized then later involving multiple sites, predominantly involving muscles, musculoskeletal junctions & joints
  • Fatigue
  • Disrupted unrefreshed sleep
  • Cognitive disturbances - often referred to as “fibro fog”
  • Mood disturbances
  • Somatic symptoms (eg irritable bowel syndrome, severe menstrual pain, myofascial facial pain)
  • Non-pain related symptoms (sexual dysfunction)

Associated Symptoms

  • Paresthesias
  • Headache - include migraine & muscular or tension type
  • Anxiety & depression
  • Allergic symptoms & multiple chemical sensitivity
  • Weight disturbances
  • Pelvic pain, urinary frequency & urgency, & dysmenorrhea
  • Symptoms of irritable bowel syndrome
  • Sjogren symptoms
  • Raynaud’s phenomenon
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