What is a stomach flu virus?

You may hear norovirus illness be called “food poisoning,” “stomach flu,” or “stomach bug.” Noroviruses are the leading cause of foodborne illness, but other germs and chemicals can also cause foodborne illness. Norovirus illness is not related to the flu, which is caused by influenza virus.
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How long does a viral stomach flu 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 causes stomach flu virus?

You can get sick from bacteria, parasites, toxins and viruses. Viruses are the most common cause of so-called stomach flu. Norovirus is often the culprit for adults, while rotavirus is frequently to blame for stomach flu in children. These viruses mostly infect the lining of the small intestine.
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How do you know if you have the flu or a stomach virus?

While the stomach flu affects the stomach, influenza only affects the respiratory system (nose, throat, and lungs). Symptoms of the flu include fever, muscle aches, sore throat, and cough, and influenza can be prevented with a flu shot. Thankfully, people with the flu usually don't have gastroenteritis symptoms.
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What is a viral stomach bug?

Viral gastroenteritis is an inflammation, swelling, and irritation of the inside lining of your gastrointestinal tract. A virus causes this illness. It can infect your stomach, small intestine, and large intestine. Viral gastroenteritis is very common.
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Mayo Clinic Minute: What is 'stomach flu?'



Does stomach flu happen suddenly?

The illness typically comes on suddenly. The infected person may feel very sick and vomit often, sometimes without warning, many times a day. Sometimes people infected with norovirus have no symptoms at all, but can still pass the virus to others.
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Can Covid feel like a stomach bug?

But the symptom similarities don't stop there—COVID-19 has been linked to gastrointestinal issues (nausea, vomiting, and diarrhea), which are also symptoms of the stomach flu, technically called gastroenteritis.
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What is the quickest way to get rid of a stomach bug?

Lifestyle and home remedies
  1. Let your stomach settle. Stop eating solid foods for a few hours.
  2. Try sucking on ice chips or taking small sips of water often. ...
  3. Ease back into eating. ...
  4. Avoid certain foods and substances until you feel better. ...
  5. Get plenty of rest. ...
  6. Try anti-diarrhea medications.
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What kills stomach virus?

CDC recommends using bleach to kill it, including chlorine bleach or hydrogen peroxide. That's why health departments often require restaurants to use bleach to clean countertops and kitchen surfaces.
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What's the difference between stomach bug and stomach flu?

The “stomach bug” or “stomach flu” is actually gastroenteritis, which is not the same as the influenza virus. Influenza or “flu” usually does not cause symptoms such as vomiting or diarrhea.
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How do you get a tummy bug?

The bugs that cause gastroenteritis can spread very easily from person to person. You can catch the infection if small particles of vomit or poo from an infected person get into your mouth, such as through: close contact with someone with gastroenteritis – they may breathe out small particles of vomit.
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What should I eat with stomach flu?

Foods to eat include clear broths, crackers, toast, gelatin, bananas, rice and chicken. Avoid certain foods until you feel better. These foods include dairy products, alcohol, caffeine, nicotine, processed foods, and fatty, spicy or highly seasoned foods. Be cautious with medications.
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Is stomach flu infectious?

Despite its name, the stomach flu isn't caused by the same virus that causes influenza. However, there are several other viruses that can cause the stomach flu. The stomach flu is contagious, which means it can be spread from one person to another.
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How long am I contagious with a stomach bug?

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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How long does it take to pass a stomach bug?

Most cases of the stomach flu resolve within a few days, though people can feel sick for as many as 10 days or more. Treatment for food poisoning typically depends on the specific pathogen involved and the severity of symptoms.
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When should you go to the hospital for stomach flu?

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 Ginger Ale Good for stomach bug?

While ginger root has long been linked to nausea relief, most ginger ale contains very little of it. Thus, ginger ale is unlikely to relieve nausea.
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Is Pepto-Bismol good for stomach flu?

In some cases, adults can take over-the-counter medicines such as loperamide link (Imodium) and bismuth subsalicylate link (Pepto-Bismol, Kaopectate) to treat diarrhea caused by viral gastroenteritis.
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What can I drink with a stomach virus?

Drink plenty of clear liquids

Water, clear soda (stir it well to release more carbonation), herbal decaffeinated tea, broth or over-the-counter electrolyte replacements are great ways to avoid dehydration when you have a stomach flu with frequent diarrhea or vomiting.
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Is Gatorade Good for stomach flu?

During an illness involving vomiting and diarrhea, it is important to prevent dehydration. Drink plenty of fluids in small sips until the stomach is settled and then in larger amounts until your thirst is satisfied. Clear liquids are the best. Water, Gatorade, Sprite, 7-Up, and Ginger Ale are suggested.
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Does Pepto-Bismol help with norovirus?

It also triggers severe stomach cramps. Food poisoning typically occurs 2 to 7 hours after eating contaminated food, whereas norovirus takes from 14 to 48 hours to trigger symptoms. Although there is very little you can do to ease the symptoms of norovirus, some research suggests Pepto-Bismol may help.
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How do you get rid of a bacterial infection in your stomach?

Antibiotics work to cure some forms of bacterial gastroenteritis within a few days. You may need additional treatment to replace the fluids and electrolytes in your body. This will depend on the severity of your illness. In some cases, you may need IV fluid replacement.
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What is Covid poop?

Feces of people with mild COVID can harbor viral genetic material months after infection. share. People with mild to moderate COVID-19 can shed viral RNA in their feces months after initial infection, Stanford researchers find. Those who do often have nausea, vomiting and abdominal pain.
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How long does Covid upset stomach last?

Gastrointestinal Link

But researchers think the illness also may harm your digestive tract and liver tissue. Lack of appetite is the most common symptom, followed by loss or taste and smell. Up to 34% experience diarrhea, lasting an average of 5 days.
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Does Covid start with diarrhea?

Gastrointestinal (GI) symptoms are being increasingly reported as common symptoms in COVID-19 patients [9–12]. Gastrointestinal manifestations include loss of appetite, nausea, vomiting, diarrhea, abdominal pain, and deranged liver function tests [13, 14].
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