Pain or an extremely disagreeable sensation caused by the merest touch. SYN: Pitres sign (1). [G. haphe, touch, + algesis, sense of pain]
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haph·al·ge·sia .haf-əl-'jē-zhə, -z(h)ē-ə n pain upon physical contact with something which does not usu. induce the sensation of pain
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haph·al·ge·sia (haf″al-jeґze-ə) [Gr. haphē touch + algesia] a type of tactile hyperesthesia in which normally painless touch sensations cause pain, as in Pitres sign (def. 1) or certain mental disorders.Medical dictionary. 2011.