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Passive Smoke Exposure — RACP Paediatrics MCQ

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EasyRespiratoryPassive Smoke ExposureRACP Paediatrics

A 3-year-old presents with a 4-month history of chronic cough. He has no fever, is growing well, and has a normal CXR. His parents smoke indoors. What is the most likely contributing factor?

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Correct answer: D — Environmental tobacco smoke exposure

Environmental tobacco smoke exposure is the most common modifiable cause of chronic cough in children. A thorough environmental history is essential. Parental smoking cessation should be recommended as a priority intervention.

Reference: National Asthma Council Australia – 2024 – Australian Asthma Handbook