Psychiatric Services
Early age of onset, a high frequency of depressive episodes, a greater percentage of time ill, and a relatively acute onset or offset of symptoms are suggestive of bipolar disorder
Treatment of bipolar disorder with antidepressants alone is not efficacious and may exacerbate hypomania, mania, or cycling.
Bipolar depression is associated with more mood lability, more motor retardation, and greater time spent sleeping.