Meptazinol

meptazinol

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An opioid analgesic used for the treatment of moderate to severe pain, including postoperative pain and pain in childbirth. It is available as tablets or an injection on prescription only.

Side effects and precautions:
see morphine.

Interactions with other drugs:
see opioids.

Proprietary preparation:
Meptid.

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Meptazinol

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Meptazinol

Systematic (IUPAC) name
(RS)-3-(3-ethyl-1-methylazepan-3-yl)phenol
Clinical data
AHFS/Drugs.com	International Drug Names
Pregnancy cat.	?
Legal status	POM (UK)
Dependence liability	Low
Routes	Oral, IM, IV
Pharmacokinetic data
Metabolism	The peak analgesic effect is seen within 30–60 minutes and lasts about 3–4 hours.
Half-life	Half-Life (1.4–4 hours).
Excretion	The drug is rapidly metabolised to the glucuronide, and mostly excreted in the urine.
Identifiers
CAS number	54340-58-8^N
ATC code	N02AX05
PubChem	CID 41049
ChemSpider	37469^Y
UNII	18Y7S5JKZD^Y
KEGG	D08182^Y
ChEMBL	CHEMBL314437^Y
Chemical data
Formula	C₁₅H₂₃N O
Mol. mass	233.34922 g/mol
SMILES	eMolecules & PubChem
InChI InChI=1S/C15H23NO/c1-3-15(9-4-5-10-16(2)12-15)13-7-6-8-14(17)11-13/h6-8,11,17H,3-5,9-10,12H2,1-2H3^Y Key:JLICHNCFTLFZJN-UHFFFAOYSA-N^Y
N(what is this?) (verify)

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.^[1]

References

^ 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

External links

MeSH Meptazinol

Analgesics (N02A, N02B)

Opioids
See also: Opioids template

Opium & alkaloids thereof	Codeine^# • Morphine^# • Opium • Laudanum • Paregoric

Semi-synthetic opium derivatives	Acetyldihydrocodeine • Benzylmorphine • Buprenorphine • Desomorphine • Dihydrocodeine • Dihydromorphine • Ethylmorphine • Diamorphine • Hydrocodone • Hydromorphinol • Hydromorphone • Nicocodeine • Nicodicodeine • Nicomorphine • Oxycodone • Oxymorphone

Synthetic opioids	Alphaprodine • Anileridine • Butorphanol • Dextromoramide • Dextropropoxyphene • Dezocine • Fentanyl • Ketobemidone • Levorphanol • Methadone • Meptazinol • Nalbuphine • Pentazocine • Propoxyphene • Propiram • Pethidine • Phenazocine • Piminodine • Piritramide • Tapentadol • Tilidine • Tramadol

Pyrazolones

Ampyrone/Aminophenazone • Metamizole • Phenazone • Propyphenazone

Cannabinoids

Ajulemic acid • AM404 • Cannabidiol • Cannabis • Nabilone • Nabiximols • Tetrahydrocannabinol

Anilides

Paracetamol (acetaminophen)^# • Phenacetin • Propacetamol

Non-steroidal
anti-inflammatories
See also: NSAIDs template

Propionic acid class	Fenoprofen • Flurbiprofen • Ibuprofen^# • Ketoprofen • Naproxen • Oxaprozin

Oxicam class	Meloxicam • Piroxicam

Acetic acid class	Diclofenac • Indometacin • Ketorolac • Nabumetone • Sulindac • Tolmetin

COX-2 inhibitors	Celecoxib • Rofecoxib • Valdecoxib • Parecoxib • Lumiracoxib

Anthranilic acid (fenamate) class	Meclofenamate • Mefenamic acid

Salicylates	Aspirin (Acetylsalicylic acid)^# • Benorylate • Diflunisal • Ethenzamide • Magnesium salicylate • Salicin • Salicylamide • Salsalate • Trisalate • Wintergreen (Methyl salicylate)

Atypical, adjuvant and potentiators,
Metabolic agents and miscellaneous

Amitryptiline • Befiradol • Bicifadine • Carisoprodol • Camphor • Cimetidine • Clonidine • Chlorzoxazone • Cyclobenzaprine • Duloxetine • Esreboxetine • Flupirtine • Gabapentin • Glafenine • Hydroxyzine • Ketamine • Menthol • Mephenoxalone • Methocarbamol • Nefopam • Orphenadrine • Pregabalin • Proglumide • Scopolamine • Tebanicline • Trazodone • Gabapentin enacarbil • Ziconotide

^#WHO-EM. ^‡Withdrawn from market. Clinical trials: ^†Phase III. ^§Never to phase III

M: CNS

anat(n/s/m/p/4/e/b/d/c/a/f/l/g)/phys/devp

noco(m/d/e/h/v/s)/cong/tumr, sysi/epon, injr

proc, drug(N1A/2AB/C/3/4/7A/B/C/D)

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