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Oral allergy syndrome, also known as pollen-food syndrome, is an alteration that manifests itself when people who are sensitive to certain pollens experience allergic reactions when consuming some foods. The allergic response is caused by the structural similarity of the proteins in pollens and those in certain foods (fruits, vegetables, and nuts), that is, it involves cross reactions between pollens and foods. The most common symptoms include itching of the mouth, lips and throat, inflammation, erythema and, rarely, difficulty breathing. Furthermore, environmental pollution plays an important role in intensifying allergy symptoms in general and food allergy specifically. Exposure to environmental contaminants (external and internal), allergens, microbes, and diet characterize this part of the exposome. Exposure to toxic fuels, PM, detergents, and other factors favor the deterioration of the intestinal epithelial barrier. As a result, the development and exacerbation of various allergic diseases increases, including food allergies, related to the food we eat, the air we breathe, the clothes we wear and the cleaning products we use, constituting a major problem for human health. planet. [ABSTRACT FROM AUTHOR]

Preventing food allergies is key to reducing the incidence of the disease. Exclusive breastfeeding is recommended during the first months of life, in addition to supplementation with vitamin D and, due to the importance of the microbiota, addition of probiotics, prebiotics and symbiotic. Currently, late exposure to foods is controversial, and it is suggested to introduce allergenic foods early, trying not to expose the cutaneous route. The application of biologics in food allergy is an evolving area of research and treatment. Biologics are indicated in diseases evaluated in various studies, such as atopic dermatitis, and are approved by the FDA for prescription; However, its potential administration in the treatment of severe allergic reactions caused by food is still debated. These therapies may change the way food allergy is addressed in the future, but they are still in experimental stages and not widely available. Food anaphylaxis is a life-threatening allergic reaction that requires quick action. Prevention involves avoiding the triggering food, awareness of symptoms, and availability of epinephrine for immediate administration in case of a reaction. [ABSTRACT FROM AUTHOR]