Source:http://linkedlifedata.com/resource/umls/id/C0031469
MSH: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.,CSP: direct acting sympathomimetic amine that stimulates alpha-adrenergic receptors and is a powerful vasoconstrictor.,NCI: 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.