Cyclothymic Disorder: a chronic fluctuating mood disturbance including hypomania. Hypomania is a state of euphoria or irritability. The symptoms of depression and euphoria are less severe than in bipolar I or II with rapid cycling, but has a similar cyclical feature. However, the individual can't be symptom free for more than two months at a time and the symptoms must have been ongoing for at least two years. The cycle goes between euphoria for about 2-3 days and then the individual crashes into depression.
These individuals may be regarded as temperamental, moody, unpredictable, inconsistent, or unreliable due to the quick changes in mood that may affect them and how quickly their moods can change.
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