|Systematic (IUPAC) name|
|Oral, IM, IV|
|Metabolism||The peak analgesic effect is seen within 30–60 minutes and lasts about 3–4 hours.|
|Biological half-life||Half-Life (1.4–4 hours).|
|Excretion||The drug is rapidly metabolised to the glucuronide, and mostly excreted in the urine.|
|ATC code||N02AX05 (WHO)|
|Molar mass||233.34922 g/mol[[Script error: No such module "String".]]|
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Meptazinol (trade name Meptid) is an opioid analgesic for use with moderate to severe pain, most commonly used to treat pain in obstetrics (childbirth). A partial µ-opioid receptor agonist, its mixed agonist/antagonist activity affords it a lower risk of dependence and abuse than full µ agonists like morphine. Meptazinol exhibits not only a short onset of action, but also a shorter duration of action relative to other opioids such as morphine, pentazocine, or buprenorphine.
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- Holmes B, Ward A. "Meptazinol. A review of its pharmacodynamic and pharmacokinetic properties and therapeutic efficacy." Drugs. 1985 Oct; 30(4):285-312. PMID 2998723