- The term hyperalgesia comes from the Greek words huper (to exceed a certain boundary) and algos (pain). It translates loosely as 'exaggerated pain perception'. The term is used to denote an increased sensitivity to painful stimuli. Hyperalgesia is usually classified as a type of " hyperaesthesia. Pathophysiologically, hyperalge-sia is associated primarily with the sensitization of nociceptors, due, for example, to the chronic use of morphine or other analgesics. The term hyper-algesia is used in opposition to the term hypoal-gesia. It should not be confused with " allodynia, " hyperpathia, and " hallucinated pain.ReferencesCanavero, S., Bonicalzi, V. (2007). Central pain syndrome. Pathophysiology, diagnosis and management. Cambridge: Cambridge University Press.Coutaux, A., Adam, F., Willer, J.C., Le Bars, D. (2005). Hyperalgesia and allodynia: Peripheral mechanisms. Joint Bone Spine, 72, 359-371.
Dictionary of Hallucinations. J.D. Blom. 2010.