Answer
Phenylephrine hydrochloride in Beechams Flu-Plus Caplets produces nasal decongestion through mainly direct effects on adrenergic receptors, predominantly alpha-adrenergic activity.
Sources for this answer
- Beechams Flu-Plus Caplets GSLHaleon UK Trading Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 16Document updated
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