Olanzapine-Haloperidol

Olanzapine
Type antipsychotic
Group atypical AP
Other use moodstabilizer
links
ATC-code N05AH03
Medscape Olanzapine
EMEA zyprexa
PubChem 4585
PubMed Olanzapine
Drugs.com olanzapine
Kompas (Dutch) Olanzapine
Wikipedia Olanzapine
Haloperidol
Type Antipsychotic
Group Butyrophenones
links
ATC-code N05AD01
Medscape Haloperidol
PubChem 3559
PubMed Haloperidol
Drugs.com haloperidol
Kompas (Dutch) Haloperidol
Wikipedia Haloperidol

Switch medication from Olanzapine to Haloperidol.

Nietinrijdenbord.png Stop Olanzapine
  • 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 Haloperidol
  • 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 — Olanzapine
Eenrichtingbord.png — Haloperidol


  1. 1.01.11.21.31.41.51.6 KNMP; Informatorium Medicamentorum 2015; Monografie "olanzapine" (Dutch) Cite error: Invalid <ref> tag; name "informatorium" defined multiple times with different content
  2. Farmacotherapeutisch Kompas; Toxicologie (dutch)
  3. Woods SW Chlorpromazine equivalent doses for the newer atypical antipsychotics; J Clin Psychiatry 2003;64:663-667
  4. WHO Collaborating Centre for Drug Statistics Methodology ATC=N05AD01
  5. 5.05.1 The Lundbeck Institute; Psychotropics; Terminal Plasma Half-lives
  6. 6.06.1 Farmacotherapeutisch Kompas; Inleidende Tekst Antipsychotica (dutch)
  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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