A 20-Year-Old College Student Comes to the Physician Because She

A 20-year-old college student comes to the physician because she has been extremely sad for the past 3 weeks and cries constantly. Three weeks ago, her boyfriend of 4 years left her. She has no appetite and has had a 2.3-kg (5.1-lb) weight loss. She has missed several classes because she could not get out of bed or stop crying. She thinks about her ex-boyfriend all of the time. She says that she experienced similar symptoms for about 2 months after previous relationships ended. The patient is 158 cm (5 ft 2 in) tall and weighs 45 kg (100 lb) ; BMI is 18 kg/m2. Her temperature is 36.1°C (97°F) , pulse is 65/min, and blood pressure is 110/60 mm Hg. Physical examination shows no abnormalities. On mental status examination, she appears sad and cries easily. Which of the following is the most likely diagnosis?

A) Acute stress disorder
B) Adjustment disorder
C) Anxiety disorder due to a medical condition
D) Generalized anxiety disorder
E) Medication-induced anxiety disorder
F) Normal stress response