Is the definition of allergy related to cross-reactivity between pollen and certain foods (oral allergy syndrome)?

Allergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. Definition of 'allergy'. allergy. (æləʳdʒi IPA Pronunciation Guide ). variable noun. If you have a particular allergy, you become ill or get a rash when you eat ... AAAAI experts explain an allergic reaction occurs when the immune system overreacts to a harmless substance called an allergen. Food allergy is an adverse health effect arising from a specific immune response that occurs reproducibly on exposure to a given food. Includes overview, background, definitions, meal modification information, compliance, trainings, resources, policy, FAQs, and contact information, ... Dec 10, 2018 ... An allergy is the body's erroneous reaction to a foreign substance that is completely harmless for all intents and purposes. Apr 18, 2023 ... Health Canada information for consumers on food allergens, allergen labelling and research. Provides access to fact sheets with information ... May 1, 2004 ... This new report, “Adult Chronic Rhinosinusitis: Definitions, Diagnosis, Epidemiology, and Pathophysiology,” includes guidance on how to measure a patient's ... This article will describe low-risk drug allergy labels, focusing on β-lactam and sulfonamide antibiotics, nonsteroidal anti-inflammatory drugs, iodinated ... Aug 24, 2024 ... Allergies happen when the immune system reacts to a foreign substance that gets inside the body. These substances are known as allergens.