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URL of this page: https://medlineplus.gov/allergy.html

"V体育ios版" Allergy

Also called: Hypersensitivity

"V体育ios版" 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: VSports手机版.

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 V体育安卓版. 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 V体育ios版. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions.

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health VSports最新版本.