Abstract
Unexpected reactions occur in patients with food allergy, but frequency data are scare. This prospective study investigates the frequency, severity and causes of unexpected allergic reactions to food in adults with a doctor's diagnosed food allergy. Participants complete an online questionnaire after every unexpected reaction and send in the culprit product including the food label. The product is analyzed for suspected allergens. Preliminary results show that the mean number of reactions was 1 per person per year. Most reactions occurred after consuming pre-packaged food and composite meals outdoors.© 2014 De Nederlandse Vereniging voor Dermatologie en Venereologie.
Highlights
Severe reactions and even fatalities occur in patients with food allergy, due to unexpected allergen exposure, but frequency data are scarce
The aim of this study is to investigate the frequency, severity and causes of unexpected allergic reactions to food in adults diagnosed with food allergy
Participants complete an online questionnaire after every unexpected reaction and send in the culprit product including the food label
Summary
Severe reactions and even fatalities occur in patients with food allergy, due to unexpected allergen exposure, but frequency data are scarce. The aim of this study is to investigate the frequency, severity and causes of unexpected allergic reactions to food in adults diagnosed with food allergy
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