MSFinals-5483
A 30-year-old man without known psychiatric history is admitted to the psychiatry ward, after presenting to the emergency department with delusions and homicidal ideations.
Following a negative drugs screen, antipsychotic treatment is initiated with haloperidol.
The patient is reviewed 3-hours after the initiation of treatment and is noted to have a sustained upward deviation of both eyes. When asked, he reports that his eyes are extremely painful.
What is the most appropriate initial management option based on the likely diagnosis?