Gastrointestinal illnesses
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Coeliac disease
People with coeliac disease can't eat foods containing gluten. Find out how coeliac disease can affect your life and why it's important to get diagnos...
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Constipation
Constipation is difficulty passing stools or infrequent bowel movements. Find out when to see your doctor and how to treat constipation.
![Crohn's disease usually first appears in people aged 15 to 30. Crohn's disease usually first appears in people aged 15 to 30.](https://media.healthdirect.org.au/images/theme_promo/w760h217/ccc0nr_f8782604-060a-4d1e-9d7d-e8a48f3c3e37-918059.jpg)
Crohn's disease
Crohn's disease is a type of inflammatory bowel disease. Find out what causes Crohn’s disease, and about the symptoms and treatment.
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Diarrhoea
Diarrhoea in adults may last a just few days, or it might be a symptom of something more serious. Learn about the causes and treatments for diarrhoea.
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Vomiting in children
Learn more about what can cause vomiting in children. Read our tips to help you manage the symptoms and know when you should see a doctor.
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Gastritis
Gastritis is when your stomach lining is inflamed (irritated, swollen and red). Find out about gastritis symptoms, causes, treatments and more.
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Gastroenteritis (gastro)
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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GORD (reflux)
Gastro-oesophageal reflux disease (GORD) is caused by stomach acid rising in your food pipe. Learn more about symptoms and treatments for GORD.
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Irritable bowel syndrome (IBS)
The symptoms of irritable bowel syndrome (IBS) can impact your quality of life. Learn about causes, treatment and when to see a doctor.
![Ulcerative colitis can cause abdominal cramps, diarrhoea, and blood and mucus in the stools. Ulcerative colitis can cause abdominal cramps, diarrhoea, and blood and mucus in the stools.](https://media.healthdirect.org.au/images/theme_promo/w760h217/woman-holding-stomach-01e6dc.jpg)
Ulcerative colitis
Ulcerative colitis (UC) is a type of inflammatory bowel disease. Read all about the symptoms of UC, when to see your doctor and types of treatments.
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Vomiting
Vomiting is usually not a sign of anything serious and tends to only last one or two days. Learn about the causes and when to get medical advice.