phenylephrine

phen·yl·eph·rine | \ ˌfe-nᵊl-ˈe-ˌfrēn

, -frən \

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

Examples of phenylephrine in a Sentence

Recent Examples on the Web Each pod has acetaminophen to relieve pain and reduce fevers, dextromethorphan HBr to quiet coughs and phenylephrine HCl to clear nasal passages. — Good Housekeeping Editors, Good Housekeeping, "Do You Have a Cold or the Flu? Here's How to Find Out," 16 Oct. 2019

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Cite this Entry

“Phenylephrine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phenylephrine. Accessed 3 Aug. 2020.

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phenylephrine

noun

phen·yl·eph·rine | \ ˌfen-ᵊl-ˈef-ˌrēn, -rən

Medical Definition of phenylephrine

: a sympathomimetic agent with vasoconstrictive properties that is used in the form of its hydrochloride C₉H₁₃NO₂·HCl especially as a nasal decongestant and mydriatic and to raise blood pressure

Note: Trademarks for preparations containing phenylephrine include Actifed and Neo-Synephrine.