Bipolar Disorder - Symptoms
The symptoms of bipolar disorder vary depending on the part of the cycle a patient is experiencing. During a low period, the patient has low energy levels, feelings of despair, difficulty concentrating, extreme fatigue, and slower mental and physical functions.
The manic, or high, part of a cycle is characterized by feelings of happiness and well-being, lack of restraint, talkativeness, racing thoughts, reduced need for sleep, and irritability. In extreme cases, mania can be expressed in the form of hallucinations and other mental fantasies.
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