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.
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.
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.
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.
Rotavirus is a viral illness that can cause severe diarrhoea. Learn more about its causes, symptoms, prevention and treatment options available.
Suffering stomach cramps or tummy ache? Learn more about the causes, symptoms and treatments of abdominal pain.
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.