How Long Does A Stomach Virus Last (And Why)?

How Long Does A Stomach Virus Last (And Why)?

Exact Answer: About 10 Days

Viral gastroenteritis or Stomach virus is contamination inside the gut, with noticeable signs and symptoms which include diarrhea, cramps inside the stomach, nausea, and fever. The most not unusual way to get gastroenteritis, additionally known as gastric virus/flu, is through contacting an infected person or ingesting contaminated meals or water. If they’re strong, they’ll get better without headaches.

Viral gastroenteritis is the reason behind quite a few death in adults and those with compromised immune structures. There is no powerful remedy for viral gastroenteritis, so prevention is the most effective key. In addition to heading off meals and water that might be pre-contaminated, thorough and frequent hand washing is the best defense.


How Long Does A Stomach Virus Last?

Most Common Stomach VirusesIncubation Period
Norovirus~1 to 2 Days
Rotavirus~2 Days
Adenovirus~2 Days to 2 Weeks

The stomach virus or the flu is a contamination in the intestines that exhibits an incubation length of one to three days at some point of which no signs seem. Once signs appear, it lasts for 1 to two days, despite the fact that signs and symptoms may also persist for around ten days.

The flu might particularly affect the elderly. Symptoms of stomach flu are diarrhea, vomiting, stomach cramps, loss of appetite, and mild fever (in some cases). In many cases, vomiting caused by stomach flu stops within a day or two, but diarrhea can last for several days. In children, it shows up with vomiting within 24 hours of symptoms appearing but has persistent diarrhea for a day or two. In some cases, these symptoms can last up to 10 days.

The stomach flu/virus is not a critical condition for most people with healthy immune systems. It can be dangerous to infants, toddlers, children, and the elderly if it causes dehydration and is left untreated. Stomach flu is not the same as food poisoning, which occurs within hours of ingesting contaminated substances. Food poisoning has symptoms similar to gastrointestinal flu.

Food poisoning symptoms last a day or two. Gastrointestinal flu is not just seasonal flu, which causes cold-like symptoms that last a week or two.

Why Does Stomach Virus Last That Long?

The symptoms of viral gastroenteritis can appear within one to three days of contamination and variety from moderate to severe. Signs and symptoms handiest final a day or two. However, on occasions, it can last as long as ten days. Symptoms are comparable yet, easy to confuse viral diarrhea with diarrhea resulting from microorganisms like Clostridium, Salmonella, and E. coli, or parasites like E. histolytica.

It can be very contagious. How long one can be contagious depends on the type of virus one has. Norovirus is the leading cause of gastrointestinal flu. People with stomach flu caused by the norovirus become contagious as soon as they show symptoms and remain for several days afterward.

Norovirus can persist in stool for two weeks even more. That makes it possible for diaper change carers to prevent infection unless they take precautions such as prompt hand washing. Rotavirus is the major cause of stomach flu among infants, toddlers, and children. Rotavirus stomach flu is contagious for the duration of the incubation that precedes signs and symptoms.

The main hassle of viral gastroenteritis is dehydration, a profuse loss of water, and essential salts and minerals. If one is healthy and ingesting enough to update the fluids lost thru vomiting, diarrhea and dehydration should not be a hassle. Infants, older adults, or people with compromised immune structures might turn out to be critically dehydrated in the event that they lose extra fluids that they can replace. Hospitalization can be necessary for misplaced fluid replacements intravenously.

Dehydration can be deadly. However, it’s far rare.


The doctors diagnose gastroenteritis based on symptoms and physical exams. A stool test can help determine if it is rotavirus or norovirus, but not other viruses that can cause gastroenteritis. The medical doctor can ask the patient to send a stool specimen to rule out a likely bacterial or parasitic infection.

There’s regularly no particular medical treatment for the stomach virus. Antibiotics are not eventful against viruses and, excessive use can make a contribution to the improvement of antibiotic-resistant traces of microorganisms. The remedy, to begin with, includes self-care and careful measures.

The quality manner to save intestinal infections from spreading is to follow protection measures. The precautions include vaccination, washing hands thoroughly, using separate personal items at home, disinfecting hard surfaces, and maintaining distance.


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Hi! I'm Nidhi.

Here at the EHL, it's all about delicious, easy recipes for casual entertaining. So come and join me at the beach, relax and enjoy the food.

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