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Concept
Allergie au soja
Résumé
Soy allergy is a type of food allergy. It is a hypersensitivity to ingesting compounds in soy (Glycine max), causing an overreaction of the immune system, typically with physical symptoms, such as gastrointestinal discomfort, respiratory distress, or a skin reaction. Soy is among the eight most common foods inducing allergic reactions in children and adults. It has a prevalence of about 0.3% in the general population.
Soy allergy is usually treated with an exclusion diet and vigilant avoidance of foods that may contain soy ingredients. The most severe food allergy reaction is anaphylaxis, which is a medical emergency requiring immediate attention and treatment with epinephrine.
Acute soy allergy can have fast onset (from seconds to one hour) or slow onset (from hours to several days), depending on the conditions of exposure, whereas long-term soy allergy may begin in infancy with reaction to soy-based infant formula. Although most children outgrow soy allergy, some may have the allergy persist into adulthood.
Symptoms may include: rash, hives, itching of the mouth, lips, tongue, throat, eyes, skin, or other areas, swelling of lips, tongue, eyelids, or the whole face, difficulty swallowing, runny or congested nose, hoarse voice, wheezing, shortness of breath, diarrhea, abdominal pain, lightheadedness, fainting, nausea and vomiting. Symptoms of allergies vary from person to person and may vary from incident to incident. Serious danger regarding allergies can begin when the respiratory tract or blood circulation is affected. The former can be indicated by wheezing, a blocked airway and cyanosis, the latter by weak pulse, pale skin, and fainting. When such severe symptoms occur, the allergic reaction is called anaphylaxis. Anaphylaxis occurs when IgE antibodies are released into the systemic circulation in response to the allergen, affecting multiple organs with severe symptoms. Untreated, the anaphylactic response can proceed to a rapid heart beat, systemic vasodilation and a rapid decrease in blood pressure as conditions of anaphylactic shock, requiring emergency intervention to prevent a fatality (rare for soy allergy).
Source officielle
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