How long does a viral gastroenteritis last?

Depending on the cause, viral gastroenteritis symptoms may appear within 1-3 days after you're infected and can range from mild to severe. Symptoms usually last just a day or two, but occasionally they may last up to 14 days.
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What is the fastest way to cure viral gastroenteritis?

How is viral gastroenteritis treated? Specific treatment is usually not needed. In most cases, you simply need to drink plenty of fluids and rest at home until the virus leaves your system. In rare cases, you may need treatment for severe dehydration with IV (intravenous) fluids.
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How do you know if gastroenteritis is viral?

The main symptoms of viral gastroenteritis are watery diarrhea and vomiting. The affected person may also have headache, fever, and abdominal cramps (“stomach ache”).
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How long does it take for your stomach to recover from gastroenteritis?

Cases in adults are usually caused by norovirus (the 'winter vomiting bug') or bacterial food poisoning. Gastroenteritis can be very unpleasant, but it usually clears up by itself within a week. You can normally look after yourself or your child at home until you're feeling better.
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What are 4 signs and symptoms of gastroenteritis?

The symptoms of gastroenteritis can include:
  • loss of appetite.
  • bloating.
  • nausea.
  • vomiting.
  • abdominal cramps.
  • abdominal pain.
  • diarrhoea.
  • bloody stools (poo) – in some cases.
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Mayo Clinic Minute: What to do when sick with a norovirus (or stomach flu)



What can be mistaken for gastroenteritis?

Gastroenteritis is often mistaken for stomach flu although it is actually an inflammation of the lining of the intestines caused by a virus, bacteria or parasites. Symptoms of gastroenteritis include diarrhea, abdominal pain, vomiting, headache, fever and chills.
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How do you confirm gastroenteritis?

Your doctor will likely diagnose viral gastroenteritis (stomach flu) based on symptoms, a physical exam and sometimes on the presence of similar cases in your community. A rapid stool test can detect rotavirus or norovirus, but there are no quick tests for other viruses that cause gastroenteritis.
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Why is my gastroenteritis lasting so long?

If you have a stomach bug that is lasting for weeks (or months), it could be post-infectious irritable bowel syndrome.
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How do you know if gastroenteritis is getting worse?

Seek medical attention if:
  1. Vomiting persists more than two days.
  2. Diarrhea persists more than several days.
  3. Diarrhea turns bloody.
  4. Fever is more than 102 F (39 C) or higher.
  5. Lightheadedness or fainting occurs with standing.
  6. Confusion develops.
  7. Worrisome abdominal pain develops.
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How long should you quarantine with gastroenteritis?

Although you typically feel better after a day or two, you're contagious for a few days after you recover. The virus can remain in your stool for up to two weeks or more after recovery. Children should stay home from school or child care for at least 48 hours after the last time they vomit or have diarrhea.
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Should I eat if I have viral gastroenteritis?

During gastroenteritis, it is important to eat as normally as possible. In fact, eating helps the lining of the intestine to heal quickly and allows the body to regain strength. On the contrary, not eating prolongs diarrhea. Start by eating small amounts of food.
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When should I go to the ER for viral gastroenteritis?

Seek medical attention if: You experience frequent episodes of vomiting and can't keep down liquids, diarrhea for more than three days, extreme pain with abdominal cramping, a temperature higher than 101.5, signs of severe dehydration, or neurological symptoms such as blurry vision or muscle weakness.
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Is viral gastroenteritis very contagious?

Viral gastroenteritis can be highly infectious so it can spread very easily. It spreads when a person comes in contact with the vomit or faeces (poo) of an infected person, including: person-to-person contact, for example shaking hands with someone who has been sick and has the virus on their hands.
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How do I heal my gut after gastroenteritis?

How is it treated? The most important thing to do is to rest the stomach and intestine. You can do this by not eating solid food for a while and drinking only clear liquids. As your symptoms go away, you can start eating soft bland foods that are easy to digest.
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Is Gatorade good for stomach flu?

You can also drink sports drinks (Gatorade, Powerade) or rehydration drinks (Pedialyte) to replace lost electrolytes. Some people find clear sodas or ginger ale to be soothing. If you try a soda, drink it at room temperature, without ice.
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Is viral gastroenteritis serious?

In most cases, viral gastroenteritis is not harmful. However, viral gastroenteritis can become dangerous if it leads to dehydration. Anyone with signs or symptoms of dehydration should see a doctor right away. A person with severe dehydration may need treatment at a hospital.
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Can you pass viral gastroenteritis back and forth?

A: Yes. Viral gastroenteritis is contagious. It can be spread from one person to another in the following ways: Close contact with someone who has viral gastroenteritis, e.g. sharing food, drinks, utensils, kissing.
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Should I go to the ER for gastroenteritis?

Most cases of the stomach flu can be treated at home. However, if you have symptoms such as a high fever, severe abdominal pain, inability to keep liquids down, or vomit or diarrhea lasting more for two days, it's important to seek medical care.
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Why do I still feel sick after gastroenteritis?

Long-Term Effects. While the body typically clears an infection within a few days, sometimes there can be lasting effects. Gastroenteritis can modify the microbiome balance, leading to a decrease in the diversity and quantity of good bacteria in the gut, which can cause health complications in the long-term.
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Can gastroenteritis last 7 days?

Depending on the cause, viral gastroenteritis symptoms may appear within 1-3 days after you're infected and can range from mild to severe. Symptoms usually last just a day or two, but occasionally they may last up to 14 days.
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Does gastroenteritis come on suddenly?

Gastroenteritis usually comes on suddenly and sticks around for just a short time. The illness typically lasts less than a week.
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Is gastroenteritis a feature of Covid?

In addition to other symptoms (like fever, dry cough, and shortness of breath), stomach upset can be a hallmark sign of COVID-19. An estimated 1 in 5 people who tested positive for COVID-19 had at least one gastrointestinal symptom, such as diarrhea, vomiting, or belly pain.
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What happens if gastroenteritis goes untreated?

Key points about gastroenteritis

Bacterial gastroenteritis is sometimes treated with antibiotics. If severe cases are not treated, they can lead to severe dehydration, neurological problems, kidney failure, and even death. Good hygiene is the best way to prevent bacterial gastroenteritis.
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What's the difference between a stomach bug and gastroenteritis?

Gastroenteritis is inflammation (irritation) of your intestines. People usually call it a “stomach bug” or “stomach flu,” even though it's not limited to just influenza. Although most people report stomach pain, gastroenteritis can also involve your small intestines and colon.
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