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Thunderstorm Asthma — RACP Paediatrics MCQ

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ModerateRespiratoryThunderstorm AsthmaRACP Paediatrics

A 7-year-old presents with acute-onset wheeze after a thunderstorm in spring. He has allergic rhinitis and grass pollen sensitisation but no prior asthma. SpO2 is 91%. What is this phenomenon?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Thunderstorm asthma

Thunderstorm asthma occurs when outflows from thunderstorms during pollen season cause pollen grains to rupture into respirable fragments, triggering severe bronchospasm.

Reference: National Asthma Council Australia – 2024 – Thunderstorm Asthma Position Statement