: a tranquilizer C22H26F3N3OS used especially in the form of its hydrochloride

Examples of fluphenazine in a Sentence

Recent Examples on the Web
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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 First-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine, the NIMH says. — Korin Miller, SELF, 30 Nov. 2018

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 5 Oct. 2026.

Medical Definition

fluphenazine

noun
: 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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