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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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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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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dictionary.com

https://www.dictionary.com/browse/allergy

WEBAllergy definition: an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often manifested by itchy eyes, runny nose, wheezing, skin rash, or diarrhea.. See examples of ALLERGY used in a sentence.

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webmd.com

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

WEBNov 20, 2023 · What Are Allergies? 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... 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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healthline.com

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

WEBJun 5, 2018 · An allergy is an immune system response to a foreign substance, or allergen, that’s not typically harmful to the body. They can include certain foods, pollen, or...

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medlineplus.gov

https://medlineplus.gov/allergy.html

WEBMay 16, 2018 · Summary. 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. Mold spores. Pet dander. Food. Insect stings. definition

definition

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webmd.com

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

WEBAllergies: Basic Info You Need to Know. Medically Reviewed by Poonam Sachdev on November 27, 2023. Written by Shawna Seed. What Is an Allergy? Allergic Reactions. Allergy Symptoms. Is It... definition

definition

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medicalnewstoday.com

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

WEBApr 15, 2020 · An allergic reaction occurs when the immune system becomes hypersensitive to foods, pollen, medications, bee venom, and other substances. Exposure to these allergens can lead... definition

definition

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