The treatment of chronic pain arising from deep tissues is currently inadequate and there is need for new pharmacological
agents to provide analgesia. The endogenous paracrine hormone/neurotransmitter oxytocin is intimately involved in the modulation of
multiple physiological and psychological functions. Recent experiments have given clear evidence for a role of oxytocin in the modulation
of nociception. The present article reviews the existent human and basic science data related to the direct and indirect effects of oxytocin
on pain. Due to its analgesic, anxiolytic, antidepressant and other central nervous system effects, there is strong evidence that oxytocin
and other drugs acting through the oxytocin receptor could act as multifunctional analgesics with unique therapeutic value.
Keywords: Oxytocin, visceral pain, musculoskeletal pain, nociception, analgesics, anxiolytics.
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