Paper I — 2023 March (Supplementary) (2010 Scheme) — Q14

Paper I

2023 March (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Dextromethorphan/Ambroxol for suppressing dry cough

Q140.3 marksShort Answers★✓

Answer

Dextromethorphan is the appropriate choice — a centrally acting, non-opioid antitussive that directly suppresses the medullary cough centre, appropriate for a dry, non-productive cough where there is no mucus to clear. Ambroxol is a mucolytic that reduces mucus viscosity to aid expectoration — useful for a productive cough with thick secretions, but not indicated (and not logically suited) for suppressing a dry cough.

Related Concepts

1. 1Respiratory System

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