phenylephrine

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phenylephrine

 [fen″il-ef´rin]
an adrenergic with potent vasoconstrictor properties; used as the hydrochloride salt for various purposes: topically to decongest nasal and laryngeal mucous membranes or to produce mydriasis without cycloplegia; intravenously to maintain blood pressure during spinal and inhalation anesthesia, to treat vascular failure in drug-induced shock, shocklike states, and hypotension, to prolong spinal anesthesia, and to treat paroxysmal supraventricular tachycardia; and orally as a component of combination antihistaminic-decongestant preparations.

phenylephrine

/phen·yl·eph·rine/ (-ef´rin) an adrenergic used as the hydrochloride salt for its potent vasoconstrictor properties.

phenylephrine

(fĕn′əl-ĕf′rēn, fē′nəl-)
n.
An adrenergic drug, C9H13NO2, that is a powerful vasoconstrictor and is used to relieve nasal congestion, dilate the pupils, and maintain blood pressure during anesthesia.

phenylephrine

A SYMPATHOMIMETIC drug used as eye drops to dilate the pupils for ophthalmic examination of the interior of the eyes. A brand name is Minims phenylephrine.

phenylephrine

an α-adrenergic stimulant used as the hydrochloride salt as a nasal decongestant and in ophthalmology to produce mydriasis.