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Allergies

Allergies and hypersensitivities

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

Allergic reactions to cow's milk

About 1 in 50 infants has an allergic reaction to cow’s milk. Learn more here about allergy to milk proteins.

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.

Anaphylaxis

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

Antihistamines

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

Asthma

Asthma symptoms can include a cough, wheezing, chest tightness and breathlessness. Learn more about asthma symptoms, causes and treatment options.

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.

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.

Woman scratching her wrist.

Contact dermatitis

Inflammation of the skin is commonly termed eczema or dermatitis. It can be effectively managed with treatment – find out how.

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.

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.

Hay fever (allergic rhinitis)

Hay fever (or 'allergic rhinitis') affects up to 1 in 5 Australians at some point in their life. Learn about triggers and how to manage the symptoms.

Hives

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.

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.

Nut allergies

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

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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