A patient prescribed haloperidol for a diagnosis of schizophrenia has a dystonic reaction.Benztropine 2 mg is given intramuscularly and then continued orally twice daily.Three days later, the patient has fever, disorientation, and tachycardia.What is the most likely cause of the latest signs and symptoms?

Question

Quizplus · Accepted Answer

The patient has developed symptoms of anticholinergic toxicity, such as fever, disorientation, and tachycardia, which may occur with high doses of anticholinergic medication, such as benztropine. The patient may need to discontinue or reduce the dose of benztropine.

A Patient Prescribed Haloperidol for a Diagnosis of Schizophrenia Has