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Colophony-induced asthma — DOccMed MCQ

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EasyOccupational DiseaseColophony-induced asthmaDOccMed

A 44-year-old solderer with persistent cough and wheeze works with colophony-based flux. FEV1 normal at rest. What is the most appropriate initial investigation?

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Correct answer: B — Serial PEF monitoring over four weeks including work and rest periods

Colophony is a recognised cause of occupational asthma. Serial PEF monitoring is the appropriate initial investigation. Normal resting FEV1 does not exclude occupational asthma.

Reference: SIGN/BTS; HSE Colophony Guidance