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Retired NBME 20 Answers

nbme20/Block 2/Question#15 (reveal difficulty score)
A 55-year-old man comes to the physician ...
Dextromethorphan ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: pharm

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 +5  upvote downvote
submitted by โˆ—celeste(96)
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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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 +2  upvote downvote
submitted by โˆ—sugaplum(487)
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Synthetic codeine analog, has mild Opioid effects when used in high concentrations. Hence constipation FA 2019 671

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 +2  upvote downvote
submitted by โˆ—marcspoop(3)
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Anyone else jump to phenylephrine as a drug that would clear the sinus congestion and also happens to cause constipation? Just me... cool

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