A 38-Year-Old Man with Schizoaffective Disorder Is Brought to the Emergency

A 38-year-old man with schizoaffective disorder is brought to the emergency department due to a 5-day history of malaise, loss of appetite, nausea, and abdominal pain.  The patient was hospitalized 2 months ago for a manic episode with delusions and hallucinations, and his medication regimen was changed.  Since discharge, his psychiatric condition has improved.  He has no history of medical illness and does not drink alcohol or use illicit drugs.  Temperature is 37.8 C (100 F) , blood pressure is 100/65 mm Hg, and pulse is 98/min.  Abdominal examination reveals right upper quadrant tenderness.  Neurologic examination shows a fine bilateral hand tremor.  On mental status examination, the patient appears drowsy but responds to questions.  He is oriented to person, place, and year but not month or day.  He has no suicidal ideation or auditory hallucinations, and no delusions are elicited.  Laboratory results are as follows: Which of the following medications is most likely responsible for the findings in this patient?

A) Bupropion
B) Clozapine
C) Haloperidol
D) Lamotrigine
E) Lithium
F) Trazodone
G) Valproate

Correct Answer:

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