Vomiting

Vomiting in adults is usually not a sign of anything serious and tends to only last one or two days. Learn the causes and when to seek medical advice.

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Underlying causes of vomiting

There are many causes of vomiting, including gastroenteritis, pregnancy, migraine, appendicitis, labyrinthitis. Find out what can cause vomiting.

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Diarrhoea and vomiting in children

Learn more about the causes of diarrhoea and vomiting in children, and use these handy tips to help alleviate the symptoms.

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Nausea

Nausea is the feeling you get when you think you will vomit. It's not usually a sign of anything serious, and you can take steps to make yourself feel better.

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Morning sickness

Morning sickness or nausea (with or without vomiting) is a common symptom of early pregnancy and is caused by changes in hormones.

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Gastroenteritis

Gastroenteritis (gastro) is an infection of the gut that can cause diarrhoea and vomiting. Learn here about gastro treatment and symptoms.

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Kids' health

Discover more about health topics relevant to kids and their parents and carers, such as fever and high temperature, medicines, vomiting, mental health and chickenpox.

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Salmonella

Salmonella is a gastrointestinal illness with fever, diarrhoea and vomiting as its main symptoms. Learn more about the causes of salmonella as well as its symptoms and treatments.

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Norovirus infection

Norovirus is one of several viruses that cause gastroenteritis. It’s spread easily, but good hygiene practices can help protect both you and others. Learn more.

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Dental erosion

Dental erosion occurs when part of the enamel surface of your teeth is dissolved by acids. It's caused by diet, medicines, health conditions and more.

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Stomach ulcers

Stomach ulcers occur in the lining of your stomach. Although they are common and can be treated, it’s important to be aware of the symptoms and get diagnosed early.

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Magnesium deficiency

Magnesium deficiency is when the body does not get all the magnesium it needs for health. Read more about magnesium deficiency symptoms, diagnosis and causes.

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Rotavirus

Rotavirus is a viral illness that can cause severe diarrhoea. Learn more about its causes, symptoms, prevention and treatment options available.

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Symptoms of serious illness in babies and children

If your child has a serious illness, it’s important to get medical attention quickly. Learn how to recognise the symptoms and what to do.

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Allergic reactions to antibiotics

Some people have an allergic reaction to antibiotics. Learn about the symptoms and the difference between allergic reactions and side effects.

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Murray Valley encephalitis

Murray Valley encephalitis is a rare illness caused by a mosquito-borne virus - read more about symptoms, diagnosis, treatment and prevention.

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Bacterial infections

Bacterial infections can affect the throat, the lungs, the skin, the bowel and many others parts of your body. They can be can be highly contagious. This page explains how to avoid spreading infections.

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Addison's disease

Addison's disease is a condition that makes people feel very weak and tired. Learn more about its symptoms, causes, diagnosis and treatment.

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Motion sickness

Motion (or travel) sickness occurs when you feel unwell due to being in a moving vehicle. It is a normal response and can generally be prevented.

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Abdominal pain

Stomach cramps, 'tummy ache' or sharp gut pain can be caused by many things, from heartburn to a bowel obstruction. Learn more here.

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Bulimia nervosa

It's not unusual to be concerned about body image or diet, but using extreme weight loss methods can lead to eating disorders, like bulimia nervosa.

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Swallowed substances

Common household and garden products are often swallowed by accident. While many are low toxicity, some are potentially harmful.

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Swallowed object

Swallowing some objects, such as a button battery or magnet, can be dangerous. Know what to do if you or your child has swallowed a non-toxic object.

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Food poisoning

Food poisoning is caused by bacteria, viruses or toxins in the food we eat. Learn how to recognise it, and people at greater risk of serious complications.

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E. coli infection

E. coli (or escherichia coli) is a type of bacteria that causes both minor and severe illness. Learn about the symptoms, causes and treatments of E. coli here.

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Diarrhoea

Diarrhoea may last for just a few days, or it might be a sign of something more serious. Find out here about causes, symptoms, diagnosis and treatments.

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Inguinal hernia

If you have an inguinal hernia, there is a weakness in the muscles at the lower part of your abdomen. Find more about inguinal hernia.

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Adenoidectomy

Adenoidectomy is the removal of the adenoids, small lumps of tissue at the back of the nose in children. The adenoids can cause problems if they get infected.

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Congenital adrenal hyperplasia

Congenital adrenal hyperplasia affects the hormones. People with the condition will have health problems, but might still enjoy a normal lifestyle.

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Diverticular disease - diverticulitis and diverticulosis

Diverticular disease, including diverticulitis, is linked to a low-fibre diet and more common as people age. Here's how to treat the symptoms.

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