Symptoms of the elevated mood stage of bipolar disorder include an exaggerated sense of confidence and well-being, racing thoughts, excessive talking, distractibility, increased desire for pleasurable activity, decreased need for sleep, impulsivity, irritability, and impairment in judgment. The depressed phase includes symptoms of sadness, fatigue, pessimism, feelings of helplessness, low self-esteem, and loss of interest in life, possibly with thoughts of suicide.
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