fluphenazine

noun

flu·​phen·​azine flü-ˈfe-nə-ˌzēn How to pronounce fluphenazine (audio)
: a tranquilizer C22H26F3N3OS used especially in the form of its hydrochloride

Examples of fluphenazine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Over several days, a psychiatrist diagnosed him with schizophrenia, inventoried his delusional complaints and started him on fluphenazine, an oral dose to be taken daily, augmented by monthly injections. C.j. Chivers, New York Times, 21 Feb. 2023 Some common first-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine; second-generation drugs include olanzapine, risperidone, quetiapine, aripiprazole, ziprasidone, lurasidone, cariprazine, and paliperidone. Ashley Abramson, SELF, 11 Feb. 2022

Word History

Etymology

fluor- + phenazine

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of fluphenazine was in 1959

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Cite this Entry

“Fluphenazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluphenazine. Accessed 10 Sep. 2025.

Medical Definition

fluphenazine

noun
flu·​phen·​azine flü-ˈfen-ə-ˌzēn How to pronounce fluphenazine (audio)
: a phenothiazine tranquilizer administered orally especially in the form of its dihydrochloride C22H26F3N3OS·2HCl as an antipsychotic agent (as in the treatment of schizophrenia)

Note: Fluphenazine is marketed under the trademarks Permitil and Prolixin.

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