Clinical Vignette: Preventing Complication in A Man with Agitation

A 30-year-old man, who is a heavy alcohol drinker, presented to the emergency department with agitation, altered sensorium, marked tremors, visual hallucinations. On assessment, he is unaware of the time, place, and person. His blood pressure and pulse were 160/11 and 115/min on arrival but fluctuated on monitoring. A GP had given him haloperidol IM and diazepam IV to control his behavioral disturbance. 

What treatment-complication could arise?

a)       Seizures
b)      Over-sedation
c)       Respiratory depression
d)      Arrhythmia
e)       Worsening agitation

Benzodiazepines for the Treatment of Catatonia
Safest Treatment Option for Delirium Tremens
WHO Alcohol Withdrawal Treatment Guidelines