Table 1.

Commonly used antipsychotics and their chlorpromazine equivalents (CPZeq) in milligrams per day (mg day⁻¹)^*

Conventional antipsychotic	CPZeq (mg day−1)
Chlorpromazine	100
Haloperidol	2
Levomepromazine	100
Sulpiride	200
Trifluoperazine	5

Atypical antipsychotic
Clozapine	50
Olanzapine	5
Quetiapine	75
Risperidone	2
Zotepine	66

^*Adapted from references [15–17].