What is A 38-year-old woman with bipolar disorder has been stable on lithium for the past 2 years. She comes to her psychiatrist's office in tears after a 2-week history of a depressed mood, poor concentration, loss of appetite, and passive suicidal ideation. Which of the following steps should the psychiatrist take next? and explain in detail?
Pt has depression and psychotic symptoms, so treatment is antidepressant along with antipsychotic drugs