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Table 2 Equivalent doses for antipsychotics and benzodiazepines

From: Increased sleep duration precedes the improvement of other symptom domains during the treatment of acute mania: a retrospective chart review

Drug Milligrams of Chlorpromazine Equivalent to 1 of Drug
FGAs  
 Haloperidol 100
 Fluphenazine 100
 Trilafon 25
 Thioridazine 2
 Loxapine 20
SGAs  
 Risperidone 200
 Olanzapine 40
 Aripiprazole 40
 Ziprasidone 10
 Quetiapine 1.6
 Clozapine 2.5
Drug Milligrams of Lorazepam Equivalent to 1 of Drug
BZDs  
 Diazepam 0.1
 Clonazepam 2
 Alprazolam 2