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Haloperidol

Haloperidol
Clinical data
Pronunciation/ˌhæloʊˈpɛrɪdɒl/
Trade namesHaldol, Serenace, others
AHFS/Drugs.comMonograph
MedlinePlusa682180
License data
Pregnancy
category
Routes of
administration		By mouth, intramuscular, intravenous, depot (as decanoate ester)
Drug classTypical antipsychotic
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailability60–70% (by mouth)[4]
Protein binding~90%[4]
MetabolismLiver-mediated[4]
Elimination half-life14–26 hours (IV), 20.7 hours (IM), 14–37 hours (oral)[4]
ExcretionBiliary (hence in feces) and in urine[4][5]
Identifiers
  • 4-[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(4-fluorophenyl)butan-1-one
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.000.142 Edit this at Wikidata
Chemical and physical data
FormulaC21H23ClFNO2
Molar mass375.87 g·mol−1
3D model (JSmol)
  • c1cc(ccc1C(=O)CCCN2CCC(CC2)(c3ccc(cc3)Cl)O)F
  • InChI=1S/C21H23ClFNO2/c22-18-7-5-17(6-8-18)21(26)11-14-24(15-12-21)13-1-2-20(25)16-3-9-19(23)10-4-16/h3-10,26H,1-2,11-15H2 checkY
  • Key:LNEPOXFFQSENCJ-UHFFFAOYSA-N checkY
  (verify)

Haloperidol, sold under the brand name Haldol among others, is a typical antipsychotic medication.[6] Haloperidol is used in the treatment of schizophrenia, tics in Tourette syndrome, mania in bipolar disorder, delirium, agitation, acute psychosis, and hallucinations from alcohol withdrawal.[6][7][8] It may be used by mouth or injection into a muscle or a vein.[6] Haloperidol typically works within 30 to 60 minutes.[6] A long-acting formulation may be used as an injection every four weeks by people with schizophrenia or related illnesses, who either forget or refuse to take the medication by mouth.[6]

Haloperidol may result in a movement disorder known as tardive dyskinesia which may be permanent.[6] Neuroleptic malignant syndrome and QT interval prolongation may occur, the latter particularly with IV administration.[6] In older people with psychosis due to dementia it results in an increased risk of death.[6] When taken during pregnancy it may result in problems in the infant.[6][9] It should not be used by people with Parkinson's disease.[6]

Haloperidol was discovered in 1958 by Paul Janssen,[10] prepared as part of a structure-activity relationship investigation into analogs of pethidine (meperidine).[11] It is on the World Health Organization's List of Essential Medicines.[12] It is the most commonly used typical antipsychotic.[13] In 2020, it was the 303rd most commonly prescribed medication in the United States, with more than 1 million prescriptions.[14]

  1. ^ a b "Haloperidol Use During Pregnancy". Drugs.com. 10 February 2020. Retrieved 13 September 2020.
  2. ^ "FDA-sourced list of all drugs with black box warnings (Use Download Full Results and View Query links.)". nctr-crs.fda.gov. FDA. Retrieved 22 October 2023.
  3. ^ Anvisa (31 March 2023). "RDC Nº 784 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 784 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 4 April 2023). Archived from the original on 3 August 2023. Retrieved 16 August 2023.
  4. ^ a b c d e Cite error: The named reference PK1999 was invoked but never defined (see the help page).
  5. ^ "Product Information Serenace" (PDF). TGA eBusiness Services. Aspen Pharma Pty Ltd. 29 September 2011. Archived from the original on 14 March 2017. Retrieved 29 May 2014.
  6. ^ a b c d e f g h i j "Haloperidol". The American Society of Health-System Pharmacists. Archived from the original on 2 January 2015. Retrieved 2 January 2015.
  7. ^ Schuckit MA (November 2014). "Recognition and management of withdrawal delirium (delirium tremens)". The New England Journal of Medicine. 371 (22): 2109–2113. doi:10.1056/NEJMra1407298. PMID 25427113. S2CID 205116954.
  8. ^ Plosker GL (July 2012). "Quetiapine: a pharmacoeconomic review of its use in bipolar disorder". PharmacoEconomics. 30 (7): 611–631. doi:10.2165/11208500-000000000-00000. PMID 22559293.
  9. ^ "Prescribing medicines in pregnancy database". Australian Government. 3 March 2014. Archived from the original on 8 April 2014. Retrieved 2 January 2015.
  10. ^ Sneader W (2005). Drug discovery : a history (Rev. and updated ed.). Chichester: Wiley. p. 124. ISBN 978-0-471-89979-2. Archived from the original on 8 December 2015.
  11. ^ Ravina E (2011). The evolution of drug discovery: from traditional medicines to modern drugs (1. Aufl. ed.). Weinheim: Wiley-VCH. p. 62. ISBN 978-3-527-32669-3. Archived from the original on 8 December 2015.
  12. ^ World Health Organization (2021). World Health Organization model list of essential medicines: 22nd list (2021). Geneva: World Health Organization. hdl:10665/345533. WHO/MHP/HPS/EML/2021.02.
  13. ^ Stevens A (2004). Health care needs assessment: the epidemiologically based needs assessment reviews (2nd ed.). Abingdon: Radcliffe Medical. p. 202. ISBN 978-1-85775-892-4. Archived from the original on 8 December 2015.
  14. ^ "Haloperidol - Drug Usage Statistics". ClinCalc. Retrieved 7 October 2022.

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