Analgesia (null)

Analgesia Overview

Analgesia refers to the *state of reduced pain perception or absence of pain* and is achieved by interfering with pain signal transduction, transmission, modulation, or perception within the nervous system[4][5][6]. It is not a specific receptor, enzyme, or protein, but rather an outcome that can result from altering the function of multiple molecular targets involved in nociceptive pathways—including opioid receptors, voltage-gated sodium channels, NMDA receptors, serotonin receptors, cannabinoid receptors, and more[2][5][4]. Drug classes such as opioid and non-opioid analgesics, anticonvulsants, antidepressants, and local anesthetics all mediate analgesia through varied molecular interactions[4][5][6]. In summary, "analgesia" is **not a molecule or therapeutic target** itself, and thus cannot be mapped to a canonical molecular target entry. Instead, it is a pharmacological or physiological result arising from diverse and complex molecular mechanisms.

Mechanism of Action

Biological Functions

Safety Considerations