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Allergies health centre

Allergy overview

It’s estimated that one in three of the UK population will suffer from allergies at some time in their lives and that number is on the increase. Common causes of allergy symptoms include food allergies, such as peanut allergy, and seasonal allergies resulting from grass, weed, tree pollen or various moulds. Pet allergies can also cause miserable symptoms such as itchy eyes, sneezing, nasal congestion and wheezing, while allergic skin conditions can cause a rash and itchy skin.

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Allergy basics

What are allergies?

Allergies are an abnormal response of the immune system. People who have allergies have an immune system that reacts to a usually harmless substance in the environment.  This substance (pollen, mould, dust, etc.) is called an allergen.

Allergies are common, according to Allergy UK, one in four people in the UK suffers from an allergy at some point in their lives.



No one knows why some people develop allergies, but they may be inherited. Allergies may flare up and subside throughout your life.

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