FAQs
What causes gastroenteritis?
Gastroenteritis is caused by infections or toxins leading to inflammation of the stomach and intestines. Common causes include viruses like norovirus and rotavirus, bacteria such as Salmonella and E. coli, parasites like Giardia, and sometimes chemicals or drugs.
What are the main symptoms of gastroenteritis?
The core symptoms are abdominal cramps, watery diarrhea, and nausea or occasional vomiting. Symptoms usually begin within 12 to 48 hours after exposure and last from one day up to a week.
How is gastroenteritis treated?
Treatment mainly involves staying hydrated with oral rehydration solutions and resting. Medications like antiemetics may be used for severe vomiting, while antibiotics are only prescribed for confirmed bacterial infections.
When is it safe to return to work or school after gastroenteritis?
Return is recommended after at least 48 hours symptom-free with normal stool consistency, no fever, and the ability to keep fluids and light meals down.
How can gastroenteritis be prevented?
Prevention includes frequent hand-washing with soap and water, disinfecting surfaces, avoiding contaminated food or water, and vaccination against rotavirus for infants.
