Cyclothymic Disorder is a chronic bipolar disorder consisting of short periods of mild depression and short periods of hypomania. These symptoms may last a few days to a a number of weeks. The onset is separated by short periods of normal mood. Individuals with cyclothymia are never totally free of symptoms of either depression or hypomania for more than a number of months at a time. Diagnostic criteria is as follows:
Symptoms present fro at least 2 years, the patient has had periods of hypomanic symptoms and periods of low mood that don't fulfill the criteria for Major Depressive Disorder.
The longest period the patient has been free of mood swings is 2 months.
During the first 2 years of this disorder, the patient has not fulfilled criteria for Manic, Mixed, or Major Depressive Episode.
Schizoaffective disorder doesn't explain the disorder better, and it isn't superimposed on Schizophrenia, Schizophreniform Disorder, Delusional Disorder or Psychotic Disorder Not Otherwise Specified.
The symptoms are not directly caused by a general medical condition or the use of any substances, including prescription medications.
These symptoms cause the patient clinically important distress or impair work, social or personal functioning