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analgesic (an″әl-je´zik)   relieving pain.
  pertaining to analgesia.
  an agent that relieves pain without causing loss of consciousness.
 

narcotic analgesic  opioid analgesic.

nonsteroidal antiinflammatory analgesic(NSAIA)    nonsteroidal antiinflammatory drug.

opiate analgesic  , opioid analgesic  any of a class of compounds that bind with a number of closely related specific receptors (opioid receptors) in the central nervous system to block the perception of pain or affect the emotional response to pain; such compounds include opium and its derivatives, as well as a number of synthetic compounds, and are used for moderate to severe pain. Chronic administration or abuse may lead to dependence.





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