Antipsychotics include Chlorpromazine 25 to 300 mg orally 3 times a day Haloperidol 5 to 45 mg orally 2 times a day Risperidone 0.5 to 3 mg orally 2 times a day Olanzapine 5 to 10 mg orally once a day Clozapine 12.5 to 100 mg orally 1 or 2 times a day In patients taking clozapine, white blood cell (WBC) counts must be done frequently because agranulocytosis is a risk.