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Search results for: "Allergy"

Symptom checker

Our Symptom checker provides clinical advice on what to do next based on your symptoms.

Allergies

Trusted information about allergy types, as well as allergy testing, anaphylaxis, antihistamines and common related conditions such as asthma and hay fever.

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Cat and dog allergy

Allergies to cats and dogs are common, and symptoms can be severe. Learn more about how to live with a pet allergy.

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Grass allergy

Grass allergy causes someone to have an allergic reaction to grass pollen spread by the wind. Learn more about its symptoms, diagnosis and treatment.

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Allergies and hypersensitivities

An allergic reaction occurs when the immune system overreacts to a foreign substance that usually causes few or no problems in most people.

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Allergies to seafood

Seafood allergy is complex, and 4-in-5 people will have it for life. Find out more about the symptoms and diagnosis of seafood and fish allergy.

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Egg allergy

Egg allergy usually starts in infancy, but most children grow out of it. Learn about the symptoms and diagnosis of egg allergy, plus ways to avoid egg.

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Allergy testing

Suffering from asthma or hay fever? They may be triggered by allergies. Find out more here about allergy testing.

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Nut allergies

Exposure to nuts, even in very small amounts, is a common trigger for a severe allergic reaction. Find out more here about nut allergies and how they can be managed.

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Pollen allergy

If you have pollen allergy, you may experience hay fever and asthma symptoms. Get tips on how to help manage your exposure to pollen.

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Food allergies

Some people have an allergic reaction to a normally harmless ingredient or type of food. This immune system response can range from mild to severe.

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