A 25-Year-Old Graduate Student Comes to the Physician Requesting Treatment

A 25-year-old graduate student comes to the physician requesting treatment for attention-deficit hyperactivity disorder (ADHD) .  He has a childhood history of ADHD treated with stimulant medication and depression as a teenager.  The patient says he is under a lot of stress and currently feels anxious, restless, and unable to concentrate.  He has been up all night the past week because he is on the verge of a major scientific breakthrough in his research and is worried that someone might steal his data.  His girlfriend reports that he has been uncharacteristically irritable and hyperactive, with angry outbursts for no apparent reason.  The patient drinks several beers on weekends and uses marijuana twice a month.  Physical examination is normal and urine drug screen is negative.
Which of the following is the most likely diagnosis?

A) Adjustment disorder with anxious mood
B) Adult attention-deficit hyperactivity disorder
C) Bipolar disorder
D) Generalized anxiety disorder
E) Substance-induced mood disorder

Correct Answer:

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