How would you explain the definition of allergy to a child?

An allergen is any normally harmless substance that causes an immediate allergic reaction in a susceptible person. Food allergens are almost always proteins ... Feb 15, 2023 ... Food Allergy · Why Food Allergy is a Priority for NIAID · Causes & Prevention · Risk Factors · Diagnosis · Treatment · Characterizing Food ... Allergen: Any antigen that causes allergic reactions such as pollens, mites, foods,etc. Antibody: People produce these molecules in response to antigen ... However, how best to define a low-risk penicillin allergy history is uncertain. ... definitions, to determine an optimal low-risk definition. Results: A ... Aug 9, 2016 ... PDF | Background: Allergy and hypersensitivity can affect people of any age and manifest with problems in a range of organ systems. May 1, 2004 ... This new report, “Adult Chronic Rhinosinusitis: Definitions, Diagnosis, Epidemiology, and Pathophysiology,” includes guidance on how to measure a patient's ... A misguided reaction to foreign substances by the immune system, the body system of defense against foreign invaders, particularly pathogens. IgE-mediated means that IgE allergy antibodies are a cause of the allergic reaction to a food. By contrast the signs and symptoms of IgE mediated food allergy ... Aug 9, 2016 ... This document presents fundamental and broad allergy concepts to strengthen the understanding by different health professionals worldwide. Advanced Allergy's own Nurse Nelda, whose smiling eyes can calm even the most anxiety-filled allergy patient, is my mom. And to know me, is to know Nurse Nelda.