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Vibratory Urticaria — SCE Dermatology MCQ

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HardInflammatory DermatosesVibratory UrticariaSCE Dermatology

A patient develops painful deep swelling 6 hours after carrying a heavy shoulder bag. A standard pressure challenge reproduces the lesion after a delay. Which chronic inducible urticaria is present?

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

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Correct answer: E — Delayed pressure urticaria

Delayed pressure urticaria causes deep painful oedema several hours after sustained pressure and is confirmed by a delayed response to standardised pressure provocation. Immediate linear whealing would instead support symptomatic dermographism.

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