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- Allergen - Wikipedia
An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through immunoglobulin E (IgE) responses [ 1 ]
- Allergens: Types, Function, Risks - Verywell Health
Allergic reactions are symptoms that result from your body creating these antibodies Allergens can be airborne or can arise from contact with your skin, from medications, or from food Depending on the type, they may enter your body through your respiratory system, skin, or digestive tract
- Allergies - Symptoms and causes - Mayo Clinic
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 dander Allergies also can happen due to certain foods and medicines that don't cause reactions in most people
- Allergen: MedlinePlus Medical Encyclopedia
An allergen is a substance that can cause an allergic reaction In some people, the immune system recognizes allergens as foreign or dangerous 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
- Allergen | Description, Types, Immune Response | Britannica
Allergen, substance that in some persons induces the hypersensitive state of allergy and stimulates the formation of reaginic antibodies Allergens may be naturally occurring or of synthetic origin and include pollen, mold spores, dust, lint, animal dander, insect debris, foods, blood serum, and
- Allergies: Types, Symptoms, Treatment Management - Cleveland Clinic
Allergies are your immune system’s overreaction to foreign substances When you touch, inhale or eat something you’re allergic to, your body thinks it’s harmful and reacts to try to get rid of it This can cause minor reactions like itching, sniffling and sneezing
- Allergy Symptoms: Signs, Symptoms, and Treatment - WebMD
Allergies are when your immune system overreacts to something called an allergen An allergen is a foreign substance that's not harmful to most people, such as pollen or pet dander (skin
- National Institute of Environmental Health Sciences
Allergies arise if the body's immune system overreacts to certain foreign substances (allergens) that are normally harmless in most people Common allergens include pollens, fungal spores, house-dust mites, and animal epithelial materials but can also include drugs, biologic products, and insect venoms
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