Hyperalgesia (/ˌhaɪpərælˈdʒiziə/ or /-siə/; 'hyper' from Greek ὑπέρ (huper, “over”), '-algesia' from Greek algos, ἄλγος (pain)) is an increased sensitivity to [[pain]], which may be caused by damage to [[nociceptor]]s or [[peripheral nerve]]s. Temporary increased sensitivity to pain also occurs as part of sickness behavior, the evolved response to infection.