All A to Z Topics

Gastroenteritis

Syndication_logo
Introduction
Gastroenteritis is an infection of the stomach and bowel (large intestine), caused by bacteria or viruses. Symptoms include vomiting and diarrhoea.
Symptoms of gastroenteritis
The symptoms of viral gastroenteritis usually begin 24–48 hours after infection. The symptoms of bacterial gastroenteritis can take 12 hours to 5 days to start.
Causes of gastroenteritis
Gastroenteritis is an infection of the stomach and bowel. the most common causes in adults are a norovirus infection and bacterial food poisoning.
Treating gastroenteritis
Most cases of gastroenteritis do not require treatment and the symptoms will improve after a few days. Medication may be needed in severe cases.
Preventing gastroenteritis
As gastroenteritis is very infectious, it is important to take steps to prevent it from spreading to other people.