The purpose of this study is to estimate adherence to treatment in bipolar patients, to characterize patients based on adherence degree and to describe the variables linked to poor adherence to treatment in real-life practice.

Inclusion Criteria:

• Patients diagnosed with bipolar disorder I or II DSM-IV
• Patients treated with at least one oral antipsychotic
• Subjects able to read and write

Exclusion Criteria:

• Patients participating in clinical trials

Patients diagnosed with bipolar disorder I or II (DSM-IV) in ambulatory settings