Cyclothymic Disorder





The essential feature of Cyclothymic Disorder is a chronic, fluctuating mood disturbance involving numerous periods of hypomanic symptoms and numerous periods of depressive symptoms. The hypomanic symptoms are of insufficient number, severity, pervasiveness, or duration to meet full criteria for a Manic Episode, and the deperessive symptoms are of insufficient number, severity, pervasiveness, or duration to meet full criteria for a Major Depressive Episode. During the 2-year period (1 year for children and adolescents), any symptom-free intervals last no longer than 2 months. The diagnosis of Cyclothymic Disorder is made only if the initial 2-year period of cyclothymic symptoms is free of Major Depressive, Manic, and Mixed Episodes. After the intial 2 years of the Cyclothymic Disorder, Manic or Mixed Episodes may be superimposed on the Cyclothymic Disorder, in which case both Cyclothymic Disorder and Bipolar I Disorder are diagnosed.


~~Diagnostic criteria for Cyclothymic Disorder~~

A. For at least 2 years, the presence of numerous periods with hypomanic symptoms and numerous periods with depressive symptoms that do not meet criteria for a Major Depressive Episode.

~~Note: In children and adolescents, the duration must be at least 1 year



B. During the above 2-year period (1 year in children and adolescents), the person has not been without the symptoms in A for more than 2 months at a time.
C. No Major Depressive Episode, Manic Episode, or Mixed Episode has been present during the first 2 years of the disturbance.

Note: After the initial 2 years (1 year in children and adolescents) of Cyclothymic Disorder, there may be superimposted Manic or Mixed Episodes (in which case both Bipolar I Disorder and Cyclothymic Disorder may be diagnosed) or Major Depressive Episodes (in which case both Bipolar II Disorder and Cyclothymic Disorder may be diagnosed).(p.365)



Hypomanic Episode* - a distinct period during which there is an abnormally and persistently elevated, expansive, or irritable mood that lasts at least 4 days. This period of abnormal mood must be accompanied by at least three additional symptoms from a list that includes inflated self-esteem or grandiosity (nondelusional), decreased need for sleep, pressure of speech, flight of ideas, distractability, increased involvement in goal-directed activities or psychomotor agitation, and excessive involvement in pleasurable activities that have a high potential for painful consequences. (p.335)

Manic Episode** - a distinct period during which there is an abnormally and persistently elevated, expansive, or irritable mood. This period of abnormal mood must last at least 1 week (or less if hospitalization is required). The mood disturbance must be accompanied by at least 3 additional symptoms from a list that includes inflated self-esteem or grandiosity, decreased need for sleep, pressure of speech, flight of ideas, distractibility, increased involvement in goal-directed activities or psychomotor agitation, and excessive involvement in pleasurable activities with a high potential for painful consequences. (p.328)

Mixed Episode*** - a period of time (lasting at least 1 week) in which the criteria are met both for a Manic Episode and for a Major Depressive Episode nearly every day. The individual experiences rapidly alternating moods (sadness, irritability, euphoria) accompanied by symptoms of a Manic Episode and a Major Depressive Episode. The symptom presentation frequently includes agitation, insomnia, appetite dysregulation, psychotic features, and suicidal thinking. (p.333)

Major Depressive Episode**** - a period of at least 2 weeks during which there is either dperessed mood or the loss of interest or pleasure in nearly all activities. In children and adolescents, the mood may be irritable rather than sad. The individual must also epxerience at least 4 additional symptoms drawn from a list that includes changes in appetite or weight, sleep, and psychomotor activity, decreased energy; feelings of worthlessness or guilt; difficulty thinking, concentrating, or making decisions; or recurrent thoughts of death or suicidal ideation, plans or attempts.. To count toward a Major Depressive Episode, a symptom must either be newly present or must have clearly worsened compared with the person's preepisode status. (p.321)














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