<prompt> Which of the following is not used in delirium?HaloperidolLithiumDiazepamOlanzapine  <response>: 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 