Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Diarrhoea may last for only a few days, or may be a sign of something else. Find out here about causes, symptoms, diagnosis and treatments.
Underlying causes of diarrhoea
Diarrhoea usually occurs when fluid cannot be absorbed from your bowel contents, or when extra fluid is secreted into the bowel. Find out what causes diarrhoea.
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.
Giardia is an infection of the bowel and gut, particularly the small intestine. Learn more about the cause and symptoms of giardia as well as prevention tips.
Gastrointestinal illnesses are very common. Some may last for only a day or two; others are long term. Learn here about their causes, symptoms and treatments.
How long should you stay out of the pool after diarrhoea?
Summer's here, which means more pool time. But it's important to not go swimming in pools if infected with Cryptosporidium – a parasite that causes diarrhoea.
Rotavirus is a viral illness that causes diarrhoea and gastroenteritis. Learn more about its causes, symptoms, prevention and treatment options available.
Cholera is an illness that gives you severe diarrhoea and dehydration. It is most likely to be found in parts of the world with poor water and sanitary services.
Gastroenteritis (gastro) is an infection of the gut that can cause diarrhoea and vomiting. Learn here about the symptoms and how to treat them.
Kidney disease symptoms
Kidney disease causes a range of signs and symptoms, such as anaemia, diarrhoea, itchy skin, high blood pressure and more.