What is a Mood Disorder? It is a psychological disorder characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder. Bipolar disorder Major depressive disorder Cyclothymic disorder.
Major Depressive Disorder or True clinical depression is a mood disorder in which feelings of sadness, loss, anger, or frustration interfere with everyday life for weeks or longer.
Manic Depression Bipolar Disorder is a condition in which a person has periods of depression and periods of being extremely happy or being cross or irritable.
Cyclothymic Disorder cyclothymia is a mild bipolar disorder that persists over a long time
Dysthymia is a chronic type of depression in which a person's moods are regularly low. However, symptoms are not as severe as with major depression.