The above behaviors are condensed in a list that Dr. Akiskal called “the rule of 3” in patients with depression (Table1). Not all patients with bipolar II disorder will meet all the criteria of the rule of 3, but the first item in the mental status exam (appearance) alone may reflect the “soft bipolar spectrum,” such as garish clothing, red sneakers, multiple rings, bizarre hair coloring, and multiple piercings. This might prompt the clinician to ask further questions about hypomanic episodes as well as other personal behaviors related to the rule of 3.
Dr. Akiskal’s contributions to psychiatry are legendary in their originality, creativity, and clinical relevance. The rule of 3 is but one of his clinical concepts that may help identify many individuals with bipolar II disorder who are misdiagnosed as having MDD and prescribed a treatment that does not help or may exacerbate their illness course and worsen their outcome.
Based on the referrals of patients who are “treatment-resistant” to our Resident Mood Clinic, there are numerous persons in the country with bipolar II disorder (possibly millions) who are mislabeled with MDD and receiving the wrong treatments, to which they failed to respond. Their lifestyles and behaviors can provide valuable clinical insights into their true psychopathology, and that will lead to developing the right treatment plan.