haloperidol

noun

hal·o·per·i·dol | \ ˌha-lō-ˈper-ə-ˌdȯl

, -ˌdōl\

Definition of haloperidol

: a depressant C₂₁H₂₃ClFNO₂ of the central nervous system used especially as an antipsychotic drug

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Also, most of the relevant antipsychotic/pregnancy research has been conducted on the typical antipsychotic haloperidol, which has not been concluded to lead to birth defects, the NIMH says. — Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 First-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine, the NIMH says. — Korin Miller, SELF, "5 Bipolar Disorder Treatments You Should Know About," 30 Nov. 2018 While this is a correlation rather than a causation, another study found that taking a substance called haloperidol, which disrupts dopamine’s effects within the brain, led to a measurable decrease in sensation seeking behaviour. — Richard Stephens, Smithsonian, "The History and Psychology of Roller Coasters," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'haloperidol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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6 May 2019

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The first known use of haloperidol was in 1960

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haloperidol

noun

halo·per·i·dol | \ ˌhal-ō-ˈper-ə-ˌdȯl

, -ˌdōl

Medical Definition of haloperidol

: a butyrophenone antipsychotic drug C₂₁H₂₃ClFNO₂ used especially to treat schizophrenia and to control the involuntary tics and vocalizations of Tourette's syndrome — see haldol