Olanzapine is an atypical antipsychotic agent which is at least as effective as the conventional agent haloperidol and the atypical agent risperidone. Olanzapine may be superior to haloperidol in some respects, including treatment of negative symptoms. A major advantage of olanzapine over...

The availability of new atypical antipsychotics, such as risperidone, that have higher acquisition costs than conventional treatments has prompted pharmacoeconomic evaluation of their costs and benefits. Risperidone is reported to have superior efficacy to haloperidol and similar efficacy to...