Abnormal exteroceptive sensation Hyperesthesia 2012-01-18T06:11:19Z Hyperaesthesia Increased sensitivity to stimulation, excluding the special senses, which may refer to various modes of cutaneous sensibility including touch and thermal sensation without pain, as well as to pain. SNOMEDCT_US:14151009 UMLS:C0020453 Hyperesthesia is a common symptom of neuropathic pain. Neuropathic pain is defined by the International Association for the Study of Pain as pain caused by a lesion or disease of the somatosensory system. The neuropathic pain phenotype contains a spectrum of symptoms that can be roughly categorized into positive and negative symptoms. Hyperesthesia is a positive symptom of neuropathic pain. Positive symptoms are categorized as stimulus-dependent pain, stimulus-independent pain, and paresthesias. HP:0100963