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1. relieving pain.
2. pertaining to analgesia.
3. 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.
A synthetic opioid, C15H21NO2, used in its hydrochloride form as an analgesic and sedative. Also called pethidine.
meperidineAn IV opioid analgesic with an active metabolite, normeperidine.
Potent blocker of pain messages to the brain.
Co-administration with MAOI antidepressants (may cause dizziness, lightheadedness, nausea); ritonavir.
2–5 hours for relief of moderate to severe pain.
200–800 ng/mL, meperidine; 130–480 ng/mL, normeperidine.
> 7 mg/L.
Random urine, serum.
Urine, TLC; serum, GC.