This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia Spectrum and Other Psychotic Disorders, Subject name: Psychiatry
[{'content': 'Which of the following is not used in delirium? \nSelect and explain. \nA. Haloperidol, B. Lithium, C. Diazepam, D. Olanzapine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Delirium - treat the underlying cause For symptomatic treatment we can use benzodiazepines like in alcohol and antipsychotic (Haloperidol is the traditional choice, 0.25-2 mg every 4 hours) Lithium has no role in treating delirium', 'role': 'assistant'}]