A Study of Olanzapine in Participants With Bipolar Disorder.

Inclusion Criteria: * Patients who have signed the informed consent after receiving information about the purpose and method of this study. * Patients diagnosed with bipolar disorder and scheduled to receive olanzapine. * Patients who understand the contents of the survey and can answer the questions directly. Exclusion Criteria: * Female patients who are pregnant, have childbearing potential, or are breastfeeding. * Has received an investigational product within 12 weeks from the study enrollment or has plans to participate in another clinical trial during the participation of this study. * Other subjects who are considered inappropriate to participate in this study by the judgment of the investigator.