单词	phenylephrine
释义	phenylephrine /ˌfiːnʌɪlˈɛfrɪn / /ˌfɛnɪlˈɛfrɪn/ /ˌfiːnʌɪlˈɛfriːn/ /ˌfɛnʌɪlˈɛfriːn/ noun [mass noun] Medicine A synthetic compound related to adrenaline, used as a vasoconstrictor and nasal decongestant.Endoscopy is performed after spraying the nose with a topical nasal vasoconstrictor such as phenylephrine (Neo-Synephrine) or oxymetazoline, and an analgesic such as pontocaine or lidocaine.... The decongestants, such as phenylephrine, and pseudoephedrine, produce a narrowing of blood vessels. Nasal decongestants for example, oxymetazoline, xylometazoline, phenylephrine, ephedrine are applied directly to the inside of the nose. Origin 1940s: from phenyl + a contraction of epinephrine.
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