Pain terminology
| Pain | Unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage |
| Nociceptive pain | Pain that arises from actual or potential damage to non-neural tissue and is due to the physiological activation of nociceptors |
| Neuropathic pain | Pain arising as a direct consequence of a lesion or disease of the somatosensory system |
| Hyperaesthesia | Increased sensitivity to somatic non-nociceptive stimulation |
| Hyperalgesia | Increased pain from a stimulus that normally provokes pain |
| Allodynia | Pain due to a stimulus that does not normally provoke pain |
| Hypaesthesia | Decreased sensitivity to somatic non-nociceptive stimulation |
| Hypopallaesthesia | Decreased sensitivity to vibration |
| Hypalgesia | Diminished pain in response to a painful stimulus |
| Analgesia | Absence of pain in response to stimulation that normally provokes pain |
| Painful anaesthesia | Spontaneous pain in a body area or region which is anaesthetised |
| Temporal summation | Increased pain intensity over time in response to a painful stimulus, which is delivered repeatedly above a critical rate |
| Paraesthesia | Abnormal somatic sensation, whether spontaneous or evoked |