Our Symptom checker provides clinical advice on what to do next based on your symptoms.
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.
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.
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.
Shigella infection is an infection of the gut that usually causes diarrhoea. You can become infected through contaminated food or water. Find out about symptoms, diagnosis and treatment by reading our page on shigella.
Bowel infections (gastrointestinal infections) can affect anyone. Learn about the causes, symptoms, treatment and prevention of different bowel infections.
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.
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.
Rotavirus is a viral illness that can cause severe diarrhoea. Learn more about its causes, symptoms, prevention and treatment options available.