Diagnostic criteria for 301.13 Cyclothymic Disorder
(cautionary statement)
A. For at least 2 years, the presence of numerous periods with hypomanic
symptoms (see p. 338) 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 Criterion 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 superimposed 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).
D. The symptoms in Criterion A are not better accounted for by Schizoaffective Disorder
and are not superimposed on Schizophrenia, Schizophreniform
Disorder, Delusional Disorder, or Psychotic Disorder Not Otherwise Specified.
E. The symptoms are not due to the direct physiological effects of a substance
(e.g., a drug of abuse, a medication) or a general medical condition (e.g., hyperthyroidism).
F. The symptoms cause clinically significant distress or impairment in social, occupational, or other important areas of functioning.
Reprinted with permission from the Diagnostic
and Statistical Manual of Mental Disorders, fourth Edition. Copyright 1994 American
Psychiatric Association
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