ACTIFED W/ CODEINE
Pre-Launchcodeine phosphate; pseudoephedrine hydrochloride; triprolidine hydrochloride
NDAORALSYRUP
Lifecycle
Pre-Launch
Mechanism of Action
CLINICAL PHARMACOLOGY Mechanism of Action Codeine is an opioid agonist relatively selective for the mu-opioid receptor, but with a much weaker affinity than morphine. The analgesic properties of codeine have been speculated to come from its conversion to morphine, although the exact mechanism of…