The nurse is caring for a patient who is taking dextromethorphan for cough suppression. The nurse will assess this patient for hypotension if he also takes which other medication?
A) Calcium-channel blockers
B) Monoamine oxidase (MAO) inhibitors
C) Beta-blockers
D) Thiazide diuretics
B
Feedback:
Dextromethorphan should not be used in conjunction with MAO inhibitors because hypotension, fever, nausea, myoclonic jerks, and coma could occur. No known drug–drug interaction exists between dextromethorphan and calcium-channel blockers, beta-blockers, and thiazide diuretics.
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