- Allergy - Wikipedia
An allergy is a specific type of exaggerated immune response where the body mistakenly identifies a ordinarily harmless substance (allergens, like pollen, pet dander, or certain foods) as a threat and launches a defense against it [11][12][13][14]
- 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]
- List of allergens - Wikipedia
This is a list of allergies, which includes the allergen, potential reactions, and a brief description of the cause where applicable
- 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
- Overview: Allergies - InformedHealth. org - NCBI Bookshelf
Allergies arise if the body's immune system overreacts to substances (allergens) that are usually harmless, such as pollen The symptoms are sometimes quite mild, but they can also be a real nuisance and have a considerable impact in everyday life There are various treatment options for allergies
- Allergies: Types, Symptoms, Treatment Management
Allergies happen when your immune system overreacts to something that’s usually not harmful — like pollen, pet dander and certain foods Symptoms can include everything from sneezing and a runny nose to vomiting and difficulty breathing
- Allergy - Simple English Wikipedia, the free encyclopedia
Having an allergy is when a thing (called an allergen) cannot enter the body without them getting sick Sometimes the system goes wrong, and is triggered by some normal food, or flares up when the family pet comes into the room This is what the ordinary person calls an 'allergy'
- Allergies Overview: Symptoms, Treatments, and More - Healthline
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body Learn more about the types, causes, and symptoms of allergies, and how they're treated
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