When an allergen enters the body of an individual that is predisposed to allergies, it triggers an immune reaction and the production of antibodies. These allergen antibodies migrate to mast cells lining the …

Oct 15, 2025 · When you develop an allergic reaction to a substance, your body treats that substance (allergen) as a threat. Your body then produces an immune response against the allergen.

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Allergens may be naturally occurring or of synthetic origin and include pollen, mold spores, dust, lint, animal dander, insect debris, foods, blood serum, and drugs.

This profile includes the nine major allergen groups associated with food allergy 1-4 and their reflexes to components: almond; Brazil nut; cashew nut; codfish; egg white; hazelnut (filbert); milk; peanut …

Jan 1, 2025 · As a result, the immune system reacts by making a type of antibody called immunoglobulin E (IgE) to defend against the allergen. This reaction leads to allergy symptoms.

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. They include pollen, bee venom and pet …