Coricidin

Coricidin
	Chemical structures of dextromethorphan (top) and chlorpheniramine
Combination of
Dextromethorphan	cough suppressant
Chlorpheniramine	antihistamine
Clinical data
Trade names	Coricidin 'D'
Pharmacokinetic data
Metabolism	CYP2D6 isozyme of Cytochrome P450
Identifiers
CAS Number	125-71-3 ;
UNII	7355X3ROTS;

Coricidin, Coricidin 'D' (decongestant), or Coricidin HBP (for high blood pressure), is the name of an over-the-counter cough and cold drug containing dextromethorphan (a cough suppressant) and chlorpheniramine maleate (an antihistamine).^[1] Introduced by Schering-Plough in 1949 as one of the first antihistamines, it is now owned by Bayer.^[2]^[3] Varieties of Coricidin may also contain acetaminophen (an analgesic/antipyretic) and guaifenesin (an expectorant).