Chlorphenamine

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Image:Chlorphenamine.png
Chlorphenamine

(3RS)-3-(4-chlorophenyl)-N,N-dimethyl-
3-(pyridin-2-yl)propan-1-amine
CAS number
132-22-9
ATC code
R06AB04
Chemical formula C16H19ClN2
Molecular weight 274.8
Bioavailability 25-50%
Metabolism hepatic
Elimination half-life 6.3-23.1 hours
Excretion renal
Pregnancy category Category A (Australia)
Legal status Schedule 3 (Australia)
Routes of administration oral, intravenous

Chlorphenamine (INN) or chlorpheniramine (USAN, former BAN), commonly marketed as its salt chlorphenamine maleate (CPM; Chlor-Trimeton®, Piriton®), is a first-generation antihistamine used in the prevention of the symptoms of allergic conditions such as rhinitis and urticaria.

Chlorphenamine has antidepressant properties, inhibiting reuptake of the neurotransmitter serotonin. Based on this knowledge, the Swedish company Astra AB was able to derive the first marketed selective serotonin reuptake inhibitor, zimelidine, from chlorphenamine.

See also

References

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