Bipolar disorder requires differential diagnosis from all of the following except?

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Bipolar disorder may have similarities with obsessive-compulsive disorder, particularly in relation to certain compulsive behaviors during manic episodes. However, it is not commonly mistaken for OCD, so it does not require differential diagnosis from this disorder. On the other hand, substance abuse and medication effects, medical and neurological disorders, and cluster B personality disorders and depression are all conditions that may present with symptoms similar to bipolar disorder, and therefore require careful differential diagnosis.

Bipolar Disorder Requires Differential Diagnosis from All of the Following