Haloperidol-Pimozide

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Haloperidol
Type Antipsychotic
Group Butyrophenones
links
ATC-code N05AD01
Medscape Haloperidol
PubChem 3559
PubMed Haloperidol
Drugs.com haloperidol
Kompas (Dutch) Haloperidol
Wikipedia Haloperidol
Pimozide
Type Antipsychotic
Group Diphenylbutylpiperidines
links
Medscape Pimozide
PubChem 16362
PubMed Pimozide
Kompas (Dutch) Pimozide
Wikipedia Pimozide

Switch medication from Haloperidol to Pimozide.[5] [6]

Nietinrijdenbord.png Stop Haloperidol
  • Day 1-4: approx. 75% of initial dose
  • Day 5-8: approx. 50% of initial dose
  • Day 9-12: approx. 25% of initial dose
  • Day 13: stop
Eenrichtingbord.png Start Pimozide
  • Day 1-4: approx. 25% of target dose
  • Day 5-8: approx. 50% of target dose
  • Day 9-12: approx. 75% of target dose
  • Day 13: target dose
Infobord.png More information
  • During this switch you could monitor ECG, especially in patients prone to QT-conduction problems.
  • There is a possibility of QT interval prolongation.[7]
    Switchstandaardup en down.jpg
Nietinrijdenbord.png — Haloperidol
Eenrichtingbord.png — Pimozide


  1. WHO Collaborating Centre for Drug Statistics Methodology ATC=N05AD01
  2. 2.0 2.1 2.2 KNMP; Informatorium Medicamentorum 2023; Monografie "haloperidol" (Dutch)
  3. 3.0 3.1 The Lundbeck Institute; Psychotropics; Terminal Plasma Half-lives
  4. 4.0 4.1 Farmacotherapeutisch Kompas; Inleidende Tekst Antipsychotica (dutch)
  5. Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules
  6. Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.
  7. Stöllberger C, Huber JO, Finsterer J, Antipsychotic drugs and QT prolongation. Int Clin Psychopharmacol. 2005 Sep;20(5):243-51.
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