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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Zinc and your health

Zinc is a mineral that is essential for many of the body's normal functions and systems. Learn more about how much you need and how to get enough.

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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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Adenoids

The adenoids are small lumps of soft tissue found at the back of the nose. Healthy adenoids are part of the immune system in young children.

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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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Probiotics

Probiotics are live bacteria and yeasts that are good for your digestive and immune systems. They’re naturally found in food or taken as supplements.

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Listeria and listeriosis

Listeriosis, a food poisoning caused by Listeria bacteria, poses risks for pregnant women, older people and those with weak immune systems.

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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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Cancer immunotherapy

Immunotherapy is a type of cancer treatment that boosts the immune system so it can fight the cancer. Learn how it works and which cancer types immunotherapy can treat.

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Autoimmune diseases — an overview

Autoimmune diseases occur when your immune system attacks your own body. Learn more about the diagnosis and treatment of these diseases.

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Lupus

Lupus is a disease where your immune system attacks your own normal cells. Its cause is not yet entirely understood, but treatments are available.

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White blood cells

White blood cells are part of your immune system. They help detect and deal with infections. Learn about health problems involving white blood cells.

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Vitamin A and your health

Vitamin A (retinol) is important for your vision, skin and immune system. Most Australians can get enough vitamin A by eating a varied, healthy diet.

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Antiretroviral treatment for HIV

Antiretroviral medicines stop HIV from multiplying and protects your immune system from damage. Learn more about antiretroviral medicines here.

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What to do if you are underweight

Being underweight could lead to health problems such as a weak immune system and bone fractures. Discover the causes, symptoms and when to get help.

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Cytomegalovirus (CMV)

Cytomegalovirus (CMV) is a common viral infection. Learn more about how CMV is spread, its symptoms and how to reduce your risk of infection.

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Sarcoidosis

Sarcoidosis is an inflammatory disease and can affect many organs including the lungs and lymph nodes. Learn more about its symptoms and treatments.

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Immunisation or vaccination - what's the difference?

What's the difference between immunisation and vaccination? Find out how vaccines work and the difference between primary and booster doses.

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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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Lymph nodes

Lymph nodes filter blood and fight infection. They also play an important role in cancer diagnosis. Find out more about lymph nodes and how they work.

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Toxoplasmosis

Toxoplasmosis is a very common disease caused by a parasite and usually doesn’t cause symptoms. Learn more about the causes and prevention options.

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Rashes

Rashes can be red, pink, purple, flat or bumpy, itchy, scaley or pus filled. Read on to learn about the causes and management of various rashes.

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Cryptosporidiosis

Cryptosporidiosis is a disease caused by the parasite cryptosporidium. Find out more about the symptoms of crypto and when to see a doctor.

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Shingles

Shingles is a painful rash caused by the chickenpox virus. Here's how to recognise the symptoms, prevent shingles and get the best treatment for you.

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Vasculitis

Vasculitis is a group of disorders and is caused by inflammation of blood vessels. Read more about vasculitis types, symptoms and treatment options.

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Kaposi sarcoma

Kaposi sarcoma is usually found under the skin, or in the lining of the mouth, nose or throat, and is associated with HIV/AIDS. Find out why here.

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Disease modifying antirheumatic drugs (DMARDs) for arthritis

DMARDs are medicines used to treat autoimmune diseases, such as rheumatoid arthritis. Learn how these medicines work and about the side effects.

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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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Lymphoma

Lymphoma is a type of cancer that affects your lymphatic system. Find out about the types of lymphoma, plus symptoms and treatments for lymphoma.

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Scleroderma

Scleroderma is an autoimmune condition. Learn more about the types of scleroderma and the symptoms, diagnosis and treatments for scleroderma.

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