hal·​o·​per·​i·​dol | \ ˌha-lō-ˈper-ə-ˌdȯl How to pronounce haloperidol (audio) , -ˌdōl \

Definition of haloperidol

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

Examples of haloperidol in a Sentence

Recent Examples on the Web Records show the woman was taking haloperidol, Trileptal and Zyprexa, all medications that have been found to be harmful to fetuses in animal tests. Meg Kissinger And Steve Schultze, Milwaukee Journal Sentinel, 23 Aug. 2021 Antipsychotic drugs such as haloperidol and aripiprazole are approved for use in Tourette, but have the potential to cause long-term side effects, such as the movement disorder tardive dyskinesia. Dr. Keith Roach, oregonlive, 31 May 2021 On the list were such unexpected candidates as haloperidol, used to treat schizophrenia, and metformin, taken by people with Type 2 diabetes. Carl Zimmer, New York Times, 22 Mar. 2020 Now, just over 1 week after Krogan’s team assembled its list, scientists are starting to test all of the drugs in cell culture, including several cancer drugs and haloperidol, a compound used to treat schizophrenia. Kai Kupferschmidt, Science | AAAS, 2 Apr. 2020 Antipsychotic medications like haloperidol and risperidone, which are often given for anxiety and agitation, can increase the risk of death in people with dementia. Andrea Petersen, New York Times, 8 Dec. 2019 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, 17 Jan. 2019 First-generation antipsychotics include chlorpromazine, haloperidol, perphenazine, and fluphenazine, the NIMH says. Korin Miller, SELF, 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, 12 July 2018 See More

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.

First Known Use of haloperidol

1960, in the meaning defined above

History and Etymology for haloperidol

hal- + piperidine + -ol entry 1

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The first known use of haloperidol was in 1960

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Cite this Entry

“Haloperidol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/haloperidol. Accessed 2 Jul. 2022.

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More Definitions for haloperidol


halo·​per·​i·​dol | \ ˌhal-ō-ˈper-ə-ˌdȯl How to pronounce haloperidol (audio) , -ˌdōl How to pronounce haloperidol (audio) \

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

More from Merriam-Webster on haloperidol

Britannica.com: Encyclopedia article about haloperidol


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