Bites and stings

Most insect bites and stings are relatively harmless - but some spiders, snakes and sea creatures can be very dangerous. Learn more about them here.

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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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Allergy testing

Allergies can make conditions such as asthma and hayfever worse. Find out more here about different types of allergy tests and when they are useful.

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Cat and dog allergy

Allergies to pets are common, particularly cats and dogs. Symptoms can range from mild to severe. Learn more about how to live with a pet allergy.

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Allergies and hypersensitivities

An allergic reaction occurs when the immune system overreacts to a substance. Find out about common allergies, their symptoms and treatments.

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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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Anaphylaxis

Anaphylaxis is a severe allergic reaction and can be fatal. Explore triggers, symptoms, treatment and what to do in an emergency.

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Sea creature bites and stings

Sea creature stings and bites can be serious due to venom through their teeth, tentacles, spines, or skin. Learn when to get help.

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Insect bites and stings

Most insect bites will clear up in a day or two, although some people can have severe allergic reactions (anaphylaxis). Learn more about insect bites and how to handle allergic reactions.

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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, and ways to avoid egg.

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Allergies to seafood

Seafood allergy is complex, and most people don’t grow out of it. Find out more about the symptoms and diagnosis of seafood and fish allergy.

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Food allergies in children

Does your family have a history of eczema, asthma, hay fever or food allergies? Learn about food allergies in children and how to spot a reaction.

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Food allergies

Some people are allergic to different types of food such as milk, eggs and wheat. Read here to find out more about living with food allergies.

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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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Antihistamines

Antihistamine medications help ease allergy symptoms. Read more about how they're used to treat conditions like hay fever and asthma.

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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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Allergic reactions to cow's milk

Allergic reactions to cow’s milk are very common. It is seen in about 1 in 50 infants. Learn more here about allergy to milk proteins.

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Allergen immunotherapy

Allergen immunotherapy involves taking gradually increasing doses of allergen extracts over time to treat allergies. Read on to learn more.

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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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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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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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Tick bites

Tick bites are usually harmless, but it's important to know how to avoid and treat bites, and what to do after visiting areas where ticks are present.

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How to use an adrenaline autoinjector

An adrenaline autoinjector can, in an emergency, save the life of someone who is having a severe allergic reaction (anaphylaxis). Learn how to use one here.

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Stinging plants

Stinging trees and nettles can hurt. Find out what these plants look like, how to avoid getting stung and what to do when the worst happens.

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Perfume stinks: how fragrances can affect your health

Fragrances and fragranced products cause health problems, such as asthma and headaches, in 1 in 3 people. Find out what you can do if you experience symptoms.

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Nut allergies

Allergies to tree nuts and peanuts are a common cause of severe allergic reactions. Find out more here about managing nut allergies.

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Summer skin rashes

Summer rashes can be caused by things like sunlight, insects, sweating and overheating - especially if you have allergies or other pre-existing skin conditions.

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What's the difference between food allergy and intolerance — and other health concepts?

Wonder why psychiatrists and psychologists are different? Did you know that prebiotics and probiotics are not the same? Learn the differences between those things, and more.

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Penicillin

Penicillin is the name of a widely used and effective group of antibiotic medicines. Read more on safety, side effects, and signs of allergy.

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Lactose intolerance

Lactose intolerance is the inability to digest lactose, or milk sugar. Learn more about treatment, symptoms and tests for lactose intolerance.

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