Alzheimer Disease Is Brought in Medicine / Internal Medicine — 76yo Man | Psychiatry | SMLE Q#1493
SMLE Question #1493
Medicine / Internal Medicine
Psychiatry
Last updated: February 2026
A 76-year-old man with Alzheimer disease is brought from a nursing home for severe agitation and aggression. He receives a large intramuscular dose of haloperidol. One hour later, he develops painful jaw and back spasms, marked neck stiffness with the head turned to one side, and upward deviation of the eyes. He is alert compared with baseline and has no fever. What is the most appropriate pharmacologic treatment for this adverse effect?
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