| umls-concept:C0031470 | skos:definition | NCI: The hydrochloride salt form of phenylephrine, a direct-acting sympathomimetic amine chemically related to adrenaline and ephedrine with potent vasoconstrictor property. Phenylephrine is a post-synaptic alpha-adrenergic receptor agonist that causes vasoconstriction, increases systolic/diastolic pressures, reflex bradycardia, and stroke output. | lld:umls |
