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Occupational Contact Dermatitis — SCE Dermatology MCQ

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HardInflammatory DermatosesOccupational Contact DermatitisSCE Dermatology

A hairdresser develops rhinitis and wheeze within minutes of mixing persulfate bleach. Symptoms improve on holidays, while patch testing shows a separate delayed allergy to hair dye. What is the most useful next occupational investigation?

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Correct answer: A — Serial peak-flow measurements at work and away

Work-related variability documented by frequent serial peak expiratory-flow measurements at and away from work is a practical investigation for occupational asthma. Patch testing assesses delayed contact allergy and does not evaluate persulfate-induced respiratory disease.

Reference: https://academic.oup.com/bjd/pages/bad-guidelines