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World Allergy Organization
WAO's mission: To be a global resource and advocate in the field of allergy, advancing excellence in clinical care through education, research and training as a world-wide alliance of allergy and clinical immunology societies.

WAO Allergy Quiz

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Check Your AQ (Allergy Quotient)

Edited by Glenis Scadding, MD

Posted 04 November 2013

A 45 year-old patient presents with symptoms of flushing, peri-oral numbness, lip swelling, abdominal discomfort and diarrhea. These occurred within half an hour after consuming home cooked mackerel which he had caught recreationally. He had previously consumed mackerel with no reaction in the past. There was no recent febrile illness or consumption of new medication. An avid runner, he had also gone for a thirty-minute brisk jog before his meal.

What is the most likely diagnosis?