![]() ![]() It has been described under various names including «pollen-food allergy syndrome», «pollen-food syndrome» and «pollen-associated food allergy syndrome». Here we investigate the prevalence and triggers of birch pollen-related food allergy. OAS is an allergic reaction in the oral cavity after the consumption of food, such as fruits, nuts, and vegetables, which occurs in adults who suffer from allergic rhinitis. Skin tests are often performed with fresh fruits and vegetables to confirm the diagnosis, and the component diagnostic protein tests for hazelnut (Cor a 9 and 14) and peanut (Ara h 8) proteins will reveal IgE to the cross-reactive protein of birch pollen Bet v 1. These complaints are due to specific IgE antibodies directed to aeroallergens that cross-react with certain food proteins. hazelnuts and peanuts can trigger these symptoms. Pollen-food allergy syndrome (OAS) is a common disorder in which oral symptoms, pruritus, itching of the throat and occasionally mild oral edema occur immediately upon the ingestion of certain foods, most commonly raw fruits and vegetables, but also certain nuts, e.g. Prognosis varies depending on the food allergen, and food allergy is a risk factor for other atopic diseases. Testing therefore must be selected and interpreted in the context of the patient’s clinical history. Diagnostic testing is highly sensitive and often identifies clinically irrelevant sensitization. An understanding the features of the clinical presentation can help with diagnosis. OAS is characterized by homology of thermo labile proteins of plant pollens, fresh fruits, and vegetables. Oral allergic syndrome (OАS) is one of the manifestations of food allergy, which is associated with sensitization to pollen. ![]() Clinical manifestations of food allergy covers a wide range of diseases of the skin, gastrointestinal and respiratory tract. Introduction Food allergy (FA) is a widespread disease with prevalence ranging from 0.1% to 50% among population.
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