With the transition of Diagnostic and Statistical Manual of Mental Disorders (DSM) IV into DSM-5, bipolar and related disorders have been separated from depressive disorders, and BD II is no longer considered a milder form of BD I. Other changes in the DSM, such as addition of new specifiers, have subsequent implications for identifying patients both in clinical and research settings.
Keywords: Bipolar disorder, mania, bipolar depression, acute treatment, maintenance treatment, recurrence prevention