MedlinePlus Health Topics

Last uploaded: November 18, 2019
Preferred Name

Hypersensitivity

Synonyms

Allergy

Definitions

<p>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</p> <ul> <li><a href='https://medlineplus.gov/hayfever.html'>Pollen</a></li> <li>Dust mites</li> <li>Mold spores</li> <li>Pet dander</li> <li><a href='https://medlineplus.gov/foodallergy.html'>Food</a></li> <li>Insect stings</li> <li><a href='https://medlineplus.gov/drugreactions.html'>Medicines</a></li> </ul> <p>Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role.</p> <p>Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, <a href='https://medlineplus.gov/rashes.html'>rashes</a>, swelling, or <a href='https://medlineplus.gov/asthma.html'>asthma</a>. Allergies can range from minor to severe. <a href='https://medlineplus.gov/anaphylaxis.html'>Anaphylaxis</a> is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions.</p> <p >NIH: National Institute of Allergy and Infectious Diseases</p>

ID

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0020517

altLabel

Allergy

cui

C0020517

Date created

10/22/1998

definition

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

Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role.

Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions.

NIH: National Institute of Allergy and Infectious Diseases

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Inverse of SY

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Mapped from

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Mapped to

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0020517

MP HEALTH TOPIC URL

https://medlineplus.gov/allergy.html

MP OTHER LANGUAGE URL

Spanish https://medlineplus.gov/languages/allergy.html#Spanish

Japanese https://medlineplus.gov/languages/allergy.html#Japanese

Nepali https://medlineplus.gov/languages/allergy.html#Nepali

Somali https://medlineplus.gov/languages/allergy.html#Somali

Ukrainian https://medlineplus.gov/languages/allergy.html#Ukrainian

Arabic https://medlineplus.gov/languages/allergy.html#Arabic

Hindi https://medlineplus.gov/languages/allergy.html#Hindi

Russian https://medlineplus.gov/languages/allergy.html#Russian

Chinese, Simplified (Mandarin dialect) https://medlineplus.gov/languages/allergy.html#Chinese, Simplified (Mandarin dialect)

Spanish https://medlineplus.gov/spanish/allergy.html

French https://medlineplus.gov/languages/allergy.html#French

Korean https://medlineplus.gov/languages/allergy.html#Korean

MP PRIMARY INSTITUTE URL

National Institute of Allergy and Infectious Diseases http://www.niaid.nih.gov/

notation

C0020517

prefLabel

Hypersensitivity

Related to

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Scope Statement

An allergy is a reaction by your immune system. Substances that cause reactions include pollen and food. Find the full list of allergies and symptoms.

tui

T046

subClassOf

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