Gastroenteritis, commonly known as stomach flu, is an inflammation of the stomach and intestines, often caused by viral or bacterial infections. Symptoms typically include diarrhea, vomiting, abdominal pain, and fever. It can affect anyone and is usually self-limiting but may require medical attention in severe cases.

Acute Gastroenteritis FAQ


What causes gastroenteritis?

Gastroenteritis is often caused by viral infections, such as norovirus or rotavirus, or bacterial infections from contaminated food or water.

What are the common symptoms of gastroenteritis?

Common symptoms include diarrhea, vomiting, stomach cramps, fever, and fatigue.

How long does gastroenteritis last?

Symptoms usually last for 1 to 3 days, but it can vary depending on the cause.

Is gastroenteritis contagious?

Yes, it is highly contagious, especially if caused by a virus. It spreads through contaminated surfaces, food, or close contact.

How can I prevent gastroenteritis?

Good hygiene practices like washing hands frequently, avoiding contaminated food and water, and isolating those infected can help prevent its spread.

When should I see a doctor for gastroenteritis?

Seek medical attention if symptoms are severe, persist longer than a few days, or if you experience dehydration.

Can gastroenteritis lead to dehydration?

Yes, excessive vomiting and diarrhea can lead to dehydration, which is a serious complication.

What should I eat if I have gastroenteritis?

Stick to bland foods like bananas, rice, applesauce, and toast until your symptoms improve.

Are there any home remedies for gastroenteritis?

Staying hydrated is key. Oral rehydration solutions and clear broths can help replenish lost fluids.

How is gastroenteritis diagnosed?

Diagnosis is mainly based on symptoms; tests may be conducted to identify the specific cause if needed.

Can children get gastroenteritis?

Yes, children are particularly susceptible to gastroenteritis and can show more severe symptoms.

Is there a vaccine for gastroenteritis?

A vaccine for rotavirus, a common cause in children, is available.

Can antibiotics treat gastroenteritis?

Antibiotics are only effective for bacterial gastroenteritis; most viral cases resolve on their own.

What fluids are best to drink during gastroenteritis?

Water, oral rehydration solutions, and clear broths are the best for hydration.

Can I still work if I have gastroenteritis?

It's best to rest and avoid work until you're symptom-free to prevent spreading the infection.

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