Immune system
Your body's immune system is designed to protect you from, or get rid of, infection. Learn more about how the immune system works.
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Autoimmune conditions
Autoimmune diseases strike when the immune system attacks healthy cells in the body. Read about the causes, symptoms and treatment options.
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Allergies
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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A guide to hay fever
Hay fever, or allergic rhinitis, can be triggered by dust, grass and pollen. Learn about antihistamine medicines and other ways to manage symptoms, plus find out when an allergy test might be a good idea.
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Connective tissue diseases
Connective tissue diseases can affect many different areas of the body and the immune system, caused by single gene mutations or inflammation. Learn more here.
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Insect bites - infographic
What you need to know about insect bites, including symptoms, treatment and signs of a severe allergic reaction.
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Dust mites
Dust mites are tiny creatures that live in your house, feeding on dust. Learn more about what you can do if they trigger allergy symptoms.
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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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Itchy eyes
Itchy eyes are often caused by an allergy or dry eye syndrome. Read more about what causes itchy eyes and what you can do to treat and prevent them.
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Hives (urticaria)
Hives is a skin rash that may be triggered by an infection or allergy. Learn more about hives rash (urticaria) it’s causes, symptoms and treatment.
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