Definition of phenylephrine
: a sympathomimetic agent C9H13NO2 that is used in the form of its hydrochloride as a vasoconstrictor, a mydriatic, a nasal decongestant, and by injection to raise the blood pressure
Origin and Etymology of phenylephrine
phenyl + epinephrine
First Known Use: circa 1947See Words from the same year
Medical Definition of phenylephrine
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