Dextromethorphan in high doses may cause which adverse effect?

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Prepare for the Rasmussen Pharmacology Exam 3. This quiz includes multiple-choice questions with hints and explanations. Review essential pharmacological concepts and get ready for your exam!

Multiple Choice

Dextromethorphan in high doses may cause which adverse effect?

Explanation:
Dextromethorphan in high doses acts as an NMDA receptor antagonist, which can produce dissociative, psychedelic effects. This leads to perceptual disturbances and hallucinations, similar to other dissociatives like ketamine. While it can cause various CNS symptoms and misuse carries risk, the most characteristic acute adverse effect at supratherapeutic doses is hallucinations.

Dextromethorphan in high doses acts as an NMDA receptor antagonist, which can produce dissociative, psychedelic effects. This leads to perceptual disturbances and hallucinations, similar to other dissociatives like ketamine. While it can cause various CNS symptoms and misuse carries risk, the most characteristic acute adverse effect at supratherapeutic doses is hallucinations.

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