Question: A 17-year-old female presents to her primary care provider complaining of difficulty concentrating and problems with her sleep over the past month. She states that she has lost 5 lbs (2.3 kg) in the last month due to a lack of appetite. She also mentions that she has lost interest and no longer enjoys attending gymnastics practice. Due to her symptoms, the patient expresses that she feels like her life is worthless and that she should drop out of school due to her poor performance in her classes. She was treated with fluoxetine and venlafaxine with untenable side effects. Which of the following medications will help treat this patient's symptoms? A. Doxepin B. Atomoxetine C. Dexmethylphenidate D. Buspirone