mrcem2-0701

A 65 year old male is brought into the emergency department by his concerned daughter. The patient has become increasingly confused and disoriented over the past week. Of note, the patient has a history of alcohol dependence and is currently being treated by the gastroenterologists for liver cirrhosis. The patient’s daughter informs you that her father stopped drinking 10 months ago. The patient had complained of frequent urination and painful urination the day before his symptoms started.

You suspect the possibility of hepatic encephalopathy. Which of the following medications would be most appropriate to administer to this patient?