What is the role of pain behaviors in the etiology of fibromyalgia?

Updated: Nov 14, 2018
  • Author: Chad S Boomershine, MD, PhD, CPI, CPT; Chief Editor: Herbert S Diamond, MD  more...
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Answer

At one level, pain behaviors are the various signals that serve to communicate the pain experience to the outside world and include nonverbal expressions of pain (eg, grimacing, bracing, sighing, rubbing, groans, histrionic behavior). Increased pain behaviors are associated with more depression, reduced self-efficacy for pain control, and more negative thoughts.

Pain behaviors can be important perpetuators of illness through reinforcement of the responses that patients with fibromyalgia induce as a means to get attention, to obtain medication, or to avoid work or activity. This can lead to limitation of physical and social activity, dependence on narcotics and alcohol, and unemployment.

A common pain behavior in patients with fibromyalgia is an excessive use of medical services. Care seekers exhibit lower pain thresholds and greater psychiatric morbidity than patients without fibromyalgia who do not have chronic pain, an observation consistent with the idea that care seeking reduces the emotional distress consequent to symptoms and life stressors.


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