What is the official medical definition of allergy?

... Allergy and Infectious Diseases (NIAID) (http://www.niaid.nih.gov/) PURPOSE ... definition. NIAID considers such research in epidemiology, outcomes ... ... allergic reactions in humans. The primary goal of a systematic nomenclature is to define a common language for scientists. As such, assessment of new allergen ... Mar 26, 2025 ... This final guidance will replace both the draft and final guidance documents on food allergen labeling that were issued in November 2022. The ... Allergies are inappropriate or exaggerated reactions of the immune system to substances that, in the majority of people, cause no symptoms. In 2008, the ADA was changed to include more people in the definition of “disabled.” Conditions that only show symptoms at certain times are now included. Anaphylaxis represents the severe end of the spectrum of allergic reactions. A number of different definitions for anaphylaxis are currently found in the ... May 1, 2004 ... This new report, “Adult Chronic Rhinosinusitis: Definitions, Diagnosis, Epidemiology, and Pathophysiology,” includes guidance on how to measure a patient's ... An allergy is the response of the body's immune system to normally harmless substances, such as pollens, foods, and house dust mite. Allergy is described as an exaggerated response from the body's immune system to otherwise inert substances present in the environment. May 27, 2022 ... This is the second video in a series on allergic rhinitis and asthma, presented by Dr. Iseult Sheehan. Dr. Sheehan is a fellow of the RACGP ...