Review Question - QID 213230

A 37-year-old woman is brought to the emergency department by police after being found naked outside a government building. She is accompanied by her husband who reports that she has been having “crazy” ideas. The patient’s speech is pressured and she switches topics quickly from how she is going to be president one day to how she is going to learn 20 languages fluently by the end of the year. Upon further questioning, it is revealed that she has struggled with at least 2 depressive episodes in the past year. Her medical history is significant for hypertension, hyperlipidemia, gout, and chronic migraines. She was recently diagnosed with a urinary tract infection and given nitrofurantoin. She has also been taking indomethacin for an acute gout flare. Her other medications include atorvastatin, allopurinol, metoprolol, and acetazolamide. She is prescribed lithium and instructed to follow-up with a primary care physician. At a follow-up appointment, she complains of nausea, vomiting, and increased urinary frequency. On examination, she has a coarse tremor and diffuse hyperreflexia. Which of the following medications is most likely is responsible for the patient’s current presentation?