Switch medication from Quetiapine to Zuclopenthixol_MA.
- Stop or reduce drug, depending on symptomatology and (expected) adverse reactions.
- The effects of both drugs will be superimposed for several days.
- Day 1: Start drug according general dosing advice.
- During this switch you could monitor ECG, especially in patients prone to QT-conduction problems.
- There is a possibility of QT interval prolongation.
- Zuclopenthixol_MA = Zuclopenthixol acetate 
- KNMP; Informatorium Medicamentorum 2015; Monografie "quetiapine" (Dutch)
- NVZA; Toxicology.org; Monografie 73 (dutch)
- Woods SW Chlorpromazine equivalent doses for the newer atypical antipsychotics J Clin Psychiatry 2003;64:663-667
- Drugs.com quetiapine-fumarate
- Stöllberger C, Huber JO, Finsterer J, Antipsychotic drugs and QT prolongation. Int Clin Psychopharmacol. 2005 Sep;20(5):243-51.
- SPC Zuclopenthixol acetate
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