We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


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—see neo-synephrine


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears