Overview
Educational academic overview: acute gastroenteritis is commonly viral (e.g. norovirus, rotavirus) with self-limiting course; dehydration is the main concern. Study material only.
Symptoms
- diarrhoea
- vomiting
- stomach cramps
- mild fever
Causes
- viral infections
- bacterial or parasitic infections
- contaminated food or water
Risk factors
- close contact with someone who is unwell
- unsafe food or water
- young or older age
Prevention
- thorough handwashing
- safe food and water practices
- recommended vaccines where available
Emergency warning signs
- signs of severe dehydration
- persistent vomiting with no fluids kept down
- blood in vomit or stool
- severe abdominal pain
Evaluation & tests
Educational note: most cases need no tests; clinicians decide when tests are needed. This library does not diagnose.
Treatment education
Educational overview: staying hydrated is central; care is individualized by clinicians. This library does not prescribe.
Self-care
General education: small frequent sips of fluid and rest can help; oral rehydration may be advised by a clinician.
When to seek care
Seek care for signs of dehydration, blood in stool, high fever, or symptoms that do not improve.