Acute gastroenteritis is an inflammation of the gastrointestinal tract, typically caused by viral or bacterial infections, resulting in symptoms like diarrhea, vomiting, abdominal pain, and fever. It is highly contagious and usually self-limiting.

Acute Gastroenteritis FAQ


What is gastroenteritis?

Inflammation of the stomach and intestines, often due to infection.

What causes gastroenteritis in Malaysia?

Commonly caused by viruses (e.g., norovirus) or bacteria (e.g., E. coli) from contaminated food/water.

Is gastroenteritis contagious?

Yes, it spreads through person-to-person contact or contaminated surfaces.

What are the main symptoms?

Diarrhea, vomiting, stomach cramps, fever, and dehydration.

How is gastroenteritis diagnosed?

Clinical evaluation of symptoms, sometimes with stool tests.

What is the typical treatment?

Oral rehydration therapy, antidiarrheal medications, and rest.

When should I see a doctor?

If symptoms persist beyond 2 days, show signs of dehydration, or blood in stool.

Can I prevent gastroenteritis?

Yes, through good hygiene, safe food handling, and clean water consumption.

Are antibiotics always necessary?

No, only for bacterial infections, as determined by a healthcare provider.

How long does gastroenteritis last?

Usually 1-2 days for viral cases, up to a week for bacterial infections.

Can children get gastroenteritis?

Yes, it's common in children; monitor for dehydration and seek prompt care.

What foods should I avoid?

Spicy, fatty, or dairy products until symptoms resolve.

Is there a vaccine for gastroenteritis?

Rotavirus vaccine protects against severe rotavirus gastroenteritis in children.

Can gastroenteritis lead to complications?

Severe dehydration or malnutrition if left untreated; rare cases of reactive arthritis.

How can I replace lost fluids?

Use oral rehydration solution (ORS) or coconut water for natural electrolytes.

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