Food allergy. A definition
The original publication is available at http://www.samj.org.za
Routine radio-allergosorbent test (RAST) results were plotted as the percentage binding to specific RAST allergen discs versus serum IgE levels. Patients with a positive result on testing with food allergen discs were divided into those responding to food allergan discs only and those responding to food and other allergen discs. This division parallels that found in patients infested with Ascaris lumbricoides when a RAST for A. lumbricoides is carried out. It is suggested that the term 'food allergy' be reserved for those patients giving a polyclonal IgE response to ingested food.
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