Snapshot A 25-year-old man seeks help from his psychiatrist. He has a history of bipolar I disease and had been on lithium for many years. He has had primarily manic episodes in the past which required mood stabilization. Lately, he reports he has been feeling depressed. He is preoccupied about thoughts of hurting himself. He stopped taking his lithium medication consistently, taking it only when he feels it may be beneficial. He also reports sleeping excessively and feeling very fatigued. He felt a huge amount of guilt towards his parents who had high hopes for him to become a doctor. His psychiatrist contemplates switching mood stabilizers. Introduction Overview login to view 6 more bullets Epidemiology Incidence login to view 1 more bullet Demographics login to view 2 more bullets Risk factors login to view 1 more bullet Etiology Pathogenesis login to view 3 more bullets Presentation Symptoms login to view 21 more bullets Physical exam login to view 1 more bullet Differential Cyclothymic disorder login to view 2 more bullets Treatment Non-medical login to view 9 more bullets Medical login to view 20 more bullets Complications Increased risk of suicide