This disorder is a longitudinal diagnosis and its clinical symptoms include hypomania, mania, mixed states, major depressive episode, hyperthymic temperament and depressive mixed state.

临床症包括轻躁发作、躁症发作、、忧郁剂诱发轻躁、忧郁症并高昂性格及复发性重郁症并双极性家族史等。