Partial antagonist-Pimozide

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Partial antagonist

Aripiprazole
Brexpiprazole
Cariprazine

Pimozide
Type Antipsychotic
Group Diphenylbutylpiperidines
links
Medscape Pimozide
PubChem 16362
PubMed Pimozide
Kompas (Dutch) Pimozide
Wikipedia Pimozide

Switch medication from Partial antagonist to Pimozide.
Partial antagonist is a collection of antipsychotic drugs having similar properties with respect to switching. A switch to member of the 'partial antagonist' group from anotherdrug should be read as partial antagonist-anotherdrug. Similarly, a switch from a member of the 'partial antagonist' group to anotherdrug should be read as anotherdrug-partial antagonist.

Nietinrijdenbord.png Stop Partial antagonist
  • Day 1-21: Continue drug at usual dose
  • Day 22: Stop drug
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
  • Day 28: Reevaluate dose, if necessary adjust 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.[1]
    StopAbruptly21StartGradually2.jpg
Nietinrijdenbord.png — Partial antagonist
Eenrichtingbord.png — Pimozide


  1. Stöllberger C, Huber JO, Finsterer J, Antipsychotic drugs and QT prolongation. Int Clin Psychopharmacol. 2005 Sep;20(5):243-51.
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