Type
|
Characteristics
|
Major Depressive Disorder
|
-
At least two weeks of depressed mood or loss
of interest accompanied by at least four additional symptoms of depression.
|
Dysthymic Disorder
|
-
At least two years of depressed mood for more
days than not, accompanied by additional depressive symptoms.
|
Bipolar I Disorder
|
-
One or more manic episodes, usually accompanied
by major depressive episodes.
|
Bipolar II Disorder
|
-
One or more major depressive episodes accompanied
by at least one mild manic episode.
|
Cyclothymic Disorder
|
-
At least two years of numerous periods of
mild manic symptoms.
|