Keyword Analysis & Research: allergy definition

merriam-webster.com

https://www.merriam-webster.com/dictionary/allergy

WEBThe meaning of ALLERGY is altered bodily reactivity (such as hypersensitivity) to an antigen in response to a first exposure. How to use allergy in a sentence.

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mayoclinic.org

https://www.mayoclinic.org/diseases-conditions/allergies/symptoms-causes/syc-20351497

WEBAug 5, 2022 · Overview. Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people. Your immune system produces substances known as antibodies. definition

definition

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wikipedia.org

https://en.m.wikipedia.org/wiki/Allergy

WEBAllergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis.

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medlineplus.gov

https://medlineplus.gov/allergy.html

WEBMay 16, 2018 · An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are: Pollen. Dust mites. definition

definition

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britannica.com

https://www.britannica.com/science/allergy

WEBApr 5, 2024 · Allergy, hypersensitivity reaction by the body to foreign substances (antigens) that in similar amounts and circumstances are harmless within the bodies of other people. Antigens that provoke an allergic reaction are called allergens. Typical allergens include pollens, drugs, lints, bacteria,

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healthline.com

https://www.healthline.com/health/allergies

WEBJun 5, 2018 · Learn what causes allergies, the different types of allergies, and how they’re treated. An allergy is an immune system response to a foreign substance that’s not typically harmful to your body.

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webmd.com

https://www.webmd.com/allergies/allergy-basics

WEBAllergic reactions happen when you come into contact with an allergen. Your immune system reacts by releasing histamines and other chemicals into your blood, causing symptoms that can irritate ... definition

definition

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clevelandclinic.org

https://my.clevelandclinic.org/health/diseases/8610-allergies

WEBWhat is an allergic reaction? An allergic reaction is the way your body responds to an allergen. If you have allergies, the first time you encounter a specific allergen, your body responds by creating immunoglobulin E (IgE). Your immune system makes antibodies to … definition

definition

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everydayhealth.com

https://www.everydayhealth.com/allergies/

WEBMay 20, 2023 · Allergies occur when your immune system overreacts to substances called allergens. Common allergens that can trigger allergic reactions include pollen, pet dander, and bee venom. People also have ... definition

definition

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medicalnewstoday.com

https://www.medicalnewstoday.com/articles/264419

WEBApr 15, 2020 · An allergy develops when the immune system becomes hypersensitive to a food or other substance. Learn how to identify and manage allergies here. definition

definition

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