Chemistry:Dexchlorpheniramine

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Short description: Chemical compound
Dexchlorpheniramine
Dexchlorpheniramine.svg
Clinical data
Trade namesChlor-trimeton, Polaramine
AHFS/Drugs.comMonograph
MedlinePlusa682543
Routes of
administration
Oral, Intravenous
ATC code
Legal status
Legal status
  • AU: S3 (Pharmacist only)
Identifiers
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
FormulaC16H19ClN2
Molar mass274.79 g·mol−1
3D model (JSmol)
  (verify)

Dexchlorpheniramine (trade name Polaramine) is an antihistamine with anticholinergic properties used to treat allergic conditions such as hay fever or urticaria.[1][2] It is the pharmacologically active dextrorotatory isomer of chlorpheniramine.

It came into medical use in 1959 and was patented in 1962.[3]

Pharmacology

Dexchlorpheniramine is an antihistamine, or an antagonist of the histamine H1 receptor. A study found that dexchlorpheniramine had a Ki value of 20 to 30 μM for the muscarinic acetylcholine receptors using rat brain tissue.[4]

References

  1. "Repeated-dose effects of mequitazine, cetirizine and dexchlorpheniramine on driving and psychomotor performance". British Journal of Clinical Pharmacology 61 (1): 79–86. January 2006. doi:10.1111/j.1365-2125.2005.02524.x. PMID 16390354. 
  2. "[Anticholinergic syndrome due to dexchlorpheniramine as a cause of urinary retention]". Anales de Pediatria 79 (6): 400–401. December 2013. doi:10.1016/j.anpedi.2013.02.014. PMID 23680058. 
  3. (in en) Analogue-based Drug Discovery. John Wiley & Sons. 2006. p. 547. ISBN 9783527607495. https://books.google.com/books?id=FjKfqkaKkAAC&pg=PA547. 
  4. "Muscarinic cholinergic binding in rat brain". Proceedings of the National Academy of Sciences of the United States of America 71 (5): 1725–1729. May 1974. doi:10.1073/pnas.71.5.1725. PMID 4151898. Bibcode1974PNAS...71.1725Y. 

External links