Norovirus symptoms generally last for about 1—2 days. The virus spreads very easily and can stay on surfaces for several days or even weeks. Due to this, it can spread particularly easily in shared enclosed spaces, such as day care centers and nursing homes. The CDC say that the virus becomes transmissible from the day a person starts feeling symptoms to a few days after the symptoms ease.
Therefore, it is important for a person with norovirus to avoid close contact with others for several days once they recognize that they have symptoms. The CDC recommend that people take the following steps to avoid catching the virus or prevent its transmission:. According to the CDC , the people most at risk of getting rotavirus include:.
A vaccination is available for rotavirus. Doctors typically give babies a dose of the vaccine two to three times between the ages of 2 and 6 months. Rotavirus can cause fever, stomach pain, vomiting, and severe, watery diarrhea. A person normally develops symptoms about 2 days after exposure to the virus. The symptoms can take 3—8 days to clear. A person may get rotavirus from touching contaminated stool, objects, or food. The American Thoracic Society state that adenovirus actually comprises several different viruses.
They also note that once a person has had exposure to adenovirus, they may experience symptoms within 2 days to 2 weeks. In addition to GI symptoms, adenovirus can cause upper and lower respiratory symptoms, as well as neurological and eye disorders.
Adults and children who are otherwise in good health take about 5—7 days to recover from the viral infection. However, even when the virus is no longer producing symptoms, it can spread to others. Adenovirus can also live for up to 30 days on hard surfaces. Rotavirus and adenovirus are both common causes of stomach flu in young children.
Rotavirus can last for about 3—8 days, and adenovirus can last for about 5—7 days. Young children who are sick are most at risk of developing dehydration. Parents and caregivers should look for signs of dehydration in children. These include :. If someone in a household or other shared residence comes down with the stomach flu, people should clean all surfaces to remove the virus. Although contaminated drinking water is a cause of viral diarrhea, in many cases the virus is passed through the fecal-oral route — that is, someone with a virus handles food you eat without washing his or her hands after using the toilet.
Each gastrointestinal virus has a season when it's most active. If you live in the Northern Hemisphere, for instance, you're more likely to have rotavirus or norovirus infections between October and April.
The main complication of viral gastroenteritis is dehydration — a severe loss of water and essential salts and minerals. If you're healthy and drink enough to replace fluids you lose from vomiting and diarrhea, dehydration shouldn't be a problem. Infants, older adults and people with suppressed immune systems may become severely dehydrated when they lose more fluids than they can replace.
Hospitalization might be needed so that lost fluids can be replaced intravenously. Dehydration can be fatal, but rarely. When you're traveling in other countries, you can become sick from contaminated food or water. You may be able to reduce your risk by following these tips:.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Viral gastroenteritis is an intestinal infection marked by watery diarrhea, abdominal cramps, nausea or vomiting, and sometimes fever.
Viral gastroenteritis Open pop-up dialog box Close. A person should contact a doctor if their symptoms do not improve within a few days. It is possible that they have a different underlying condition. One article recommends that people follow a bland diet when they have stomach flu and are recovering from its symptoms. A person should also drink plenty of fluids containing electrolytes. These include low sugar sports drinks.
Read about 33 foods a person can eat with stomach flu here. However, the NIDDK recommend avoiding drinks that contain excessive amounts of sugar, such as fruit juice and soda, since sugar can make diarrhea symptoms worse.
A common cause of stomach flu is the norovirus. However, other viruses, bacteria, parasites, and chemicals can also cause it to occur. Stomach flu symptoms are mainly related to the digestive tract and can cause vomiting and diarrhea. Symptoms of stomach flu can last between 1 day and 2 weeks, depending on the cause. Norovirus symptoms usually pass within 3 days.
A person is contagious while they have symptoms. A person should seek symptom relief within a few days and should use caution for several days following symptoms, since they may still be contagious at that point. A person should contact a doctor if they experience any symptoms of dehydration or any worsening symptoms that do not clear or start to get better within a few days. Stomach flu can make eating and drinking difficult. Here are 33 foods and drinks that a person can consume if they have stomach flu.
The stomach flu usually lasts for only a few days, but the symptoms can be highly unpleasant. While there is no medical treatment for this viral…. Stomach flu does not usually last for a long period in adults or children. However, different viruses may cause people to feel sick for different…. Vomiting and diarrhea have many causes, including viral infections, food poisoning, and medications.
Learn the symptoms and treatments. What are the main causes of nausea and vomiting, and what home remedies are recommended? What home remedies may help children who are vomiting?
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