Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Gastroenteritis (gastro) is an infection of the gut that can cause diarrhoea and vomiting. Learn here about the symptoms and how to treat them.
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.
Rotavirus is a viral illness that can cause severe diarrhoea. Learn more about its causes, symptoms, prevention and treatment options available.
Parechovirus is a virus that usually has very mild symptoms, or none at all. Sometimes it can cause serious illness in babies and young children. Good hygiene can help stop it spreading.
Underlying causes of vomiting
There are many causes of vomiting, including gastroenteritis, pregnancy, migraine, appendicitis, labyrinthitis. Find out what can cause vomiting.
Campylobacter infection (campylobacteriosis) causes gastroenteritis, but most people recover in 1 to 2 weeks with rest and fluids. Learn about the causes here.
Bowel infections (gastrointestinal infections) can affect anyone. Learn about the causes, symptoms, treatment and prevention of different bowel infections.
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.
Stomach cramps, 'tummy ache' or sharp gut pain can be caused by many things, from heartburn to a bowel obstruction. Learn more here.
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.