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NBME 20 Answers

nbme20/Block 2/Question#15

A 55-year-old man comes to the physician because of ...

Dextromethorphan

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submitted by celeste(35),

Dextromethorphan is an opium alkaloid derivative. Dextromethorphan is a drug of abuse. The main risks associated with dextromethorphan are ataxia, central nervous system (CNS) stimulation, dizziness, lethargy and psychotic behavior. Less frequently with large doses seizures and respiratory depression can occur. Nausea, vomiting, constipation and tachycardia may also occur. (toxnet.nlm.nih.gov)





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submitted by sugaplum(51),

Synthetic codeine analog, has mild Opioid effects when used in high concentrations. Hence constipation FA 2019 671