Adult Stomach Flu, Find out how long it is contagious for, how long the symptoms last, and more in this article. Viral gastroenteritis is an infection of the stomach and intestine caused by a virus. Learn more about how long it lasts and how to treat it. Their top-recommended brand is Mucinex. The stomach flu may last one day to up to two weeks. It has many possible causes, such as viruses and Symptoms of stomach flu typically last for a few days, but may persist for longer. Here are the stages of stomach bugs and how to get well. The infection can lead to diarrhea and vomiting. You can usually get rid of the stomach flu at home by staying hydrated, getting plenty of rest, easing into foods slowly, and taking medications. What are the symptoms of norovirus? If you Stomach flu is a common cause of diarrhea, vomiting, and other symptoms. , usually a member of the norovirus Some call it "stomach flu. In most otherwise healthy adults, it Viral gastroenteritis is an infection of the stomach and intestine caused by a virus. Gastroenteritis (stomach flu) Gastroenteritis, also referred to as "stomach flu", is inflammation of the stomach and intestinal lining, which causes diarrhea and Stomach flu is an infection caused by viruses that target the intestines, including rotaviruses and noroviruses. " Gastroenteritis can be brought on by norovirus — a highly contagious viral infection most often Norovirus, often nicknamed the stomach “flu” or stomach bug, is a common but unwelcome visitor, especially during the colder months. Flu, RSV, norovirus, and walking pneumonia are all circulating this winter. Learn about eating when you have viral gastroenteritis (“stomach flu”). – norovirus – is picking Gastroenteritis or stomach flu is an infection of the GI tract caused by viruses (Norovirus), bacteria, and fungi. They tend to go away within a few days. Overview Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. It Gastroenteritis inflames the lining of the stomach and intestines. 2, nicknamed “cicada,” are still circulating, along with several other respiratory illnesses and a nasty stomach bug. " However, norovirus This article examines the symptoms and causes of stomach flu in adults and children, its contagiousness, recommended methods and home Some foods and beverages may worsen nausea, vomiting, diarrhea, and other stomach flu symptoms. This virus most What causes gastroenteritis? Gastroenteritis, sometimes called stomach flu, is commonly caused by noroviruses and adenoviruses, but other Stomach flu is a viral infection that inflames the stomach, causing vomiting and diarrhoea. Most commonly known as stomach flu, norovirus is a highly contagious virus that generally spreads hand to mouth 12 to 36 hours after exposure. A 24-hour stomach bug, or stomach flu, is a contagious virus that causes vomiting. Gastroesophageal reflux disease (GERD) is a more Norovirus infection, sometimes referred to as stomach flu, is unrelated to the flu caused by the influenza virus. You can catch norovirus Viral gastroenteritis (stomach flu) Overview Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes Understanding Gastroenteritis (Stomach Flu): Causes, Symptoms, Treatment, and Prevention Gastroenteritis, commonly known as the stomach flu, is an Gastroenteritis is inflammation in the digestive tract, including the stomach and the small and large intestines. Although there is no specific medical treatment for the stomach flu, symptoms can be managed. Symptoms include If you suspect you have the stomach flu, consult a health care professional at your local CityMD urgent care for a proper diagnosis. Vomiting. This common stomach bug is sometimes mistaken for other medical problems. Learn how to tell them apart and find out what’s spreading in your area. a. When your appetite returns, you can most often go back to eating your normal diet. Flu is leading this season, but COVID, RSV, and norovirus are still around. Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is spiking across the US. It’s viral gastroenteritis, an infection of the stomach and intestines caused by one of several viruses. Older adults, people with compromised immune systems, and children are particularly susceptible to experiencing dehydration after a bout of What is viral gastroenteritis (“stomach flu”)? Viral gastroenteritis is an infection of your intestines that typically causes watery diarrhea, pain or cramping in your The stomach flu or viral gastroenteritis may last a few days or week. Find tips to replace lost fluids and electrolytes to prevent dehydration. Viruses can remain in your stool and be contagious for a couple of weeks afterward. Experts say most people can recover from illness Is it stomach flu -- officially called gastroenteritis -- or influenza? WebMD explains the differences so you can treat your symptoms properly. 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. Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes Diarrhoea and vomiting are common in adults, children and babies. You may also have diarrhea or a fever. Here's what to eat and what to avoid. Stomach bugs, also called gastroenteritis, are very common in young children and can “Stomach flu” is a general term for gastroenteritis and isn’t related to influenza or flu, which primarily affects the respiratory system. Certain viruses infect cells in the lining of the small intestine where they Gastroenteritis, often known as the stomach flu, a 24-hour bug, or norovirus, is a common cause of fever and diarrhea. Discover common symptoms, how Public Health Infectious Diseases What doctors wish patients knew about the contagious norovirus Often wrongly called the “stomach flu,” norovirus sickens tens of millions of Americans What are the symptoms of stomach flu (norovirus) and how can you get rid of it quickly? Learn everything you need to know from our medical expert. People who have flu often feel some or all of these signs and symptoms: fever* or Symptoms Flu can cause mild to severe illness, and at times can lead to death. Rotavirus "Stomach flu" is not a medical term but rather a colloquial phrase to describe any kind of stomach bug or infection. Gastroenteritis is the inflammation of the stomach and Condition Basics What is gastroenteritis? Gastroenteritis is an upset stomach. Also called viral gastroenteritis, this infection affects the Stomach flu, or viral gastroenteritis, is caused by a virus spread from person to person and can have various symptoms. Learn how to get rid of a stomach bug fast and The AMA Update covers a range of health care topics affecting the lives of physicians and patients. Learn how norovirus is contracted — Norovirus is one of the most common causes of stomach-related illness in the United States, and because there are many different strains, it’s Flu is a mild illness for some people. When to seek medical advice In most cases vomiting can be treated safely at home. Get the facts on severe fever treatment (in children and adults) and symptoms. Here are some foods and drinks that a person can consume if they have stomach flu. Food poisoning is a bacterial infection that enters Learn more about Gastroenteritis in Adults and Older Children, including, diagnosis, symptoms, treatment, recovery, and follow-up care. But the seasonal flu (influenza) virus does not cause it. These remedies can help. Gastroesophageal reflux (GER) happens when your stomach contents come back up into your esophagus. A rapid stool test Your doctor will likely diagnose viral gastroenteritis (stomach flu) based on symptoms, a physical exam and sometimes on the presence of similar Southeast Public Health is warning people in the Kingston area of an uptick in cases of gastrointestinal illness and reminding of how to prevent its spread. Learn how to tell these illnesses apart and when to seek care. Learn how long the stomach flu is contagious, how it Stomach flu, medically known as viral gastroenteritis, is a common intestinal infection that causes watery diarrhea, abdominal cramps, nausea, vomiting, and sometimes fever. How long you’re sick depends largely on which one Stomach flu itself is rarely dangerous. Unlike the flu, which is caused by the influenza virus, stomach flu typically arises from infection with a different set of viruses. They're often caused by a stomach bug and should stop in a few days. The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by The stomach flu or viral gastroenteritis may last a few days or week. Viral gastroenteritis is sometimes called stomach flu. What is stomach flu? (viral gastroenteritis) The stomach flu, or viral gastroenteritis, is an infection of the stomach and intestines caused by various viruses, such as norovirus or rotavirus. However, different viruses may cause people to feel sick for different lengths of time. Also check out the Best Cough Medicines, The stomach “flu,” an intestinal infection, causes diarrhea, nausea and vomiting. Explore its causes, symptoms, complications, Stomach flu and diarrhea Stomach flu, also known as viral gastroenteritis, is a highly contagious intestinal infection. It can cause nausea, vomiting, Gastroenteritis, commonly known as the stomach flu, causes inflammation of the stomach and intestines. Prevention Good hand hygiene and proper Learn about flu, including symptoms, prevention methods, and treatment options. People can often manage gastroenteritis, also known as the stomach flu, with home remedies and over-the-counter medications. Learn more 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. Nipunie Rajapakse, a Get a detailed overview of viral gastroenteritis (stomach flu), including symptoms of viral gastroenteritis, how long it lasts, at-home care, and when to Gastroenteritis (stomach flu) is a common infection that causes nausea, vomiting, diarrhea, and belly cramps. Learn about treating and preventing viral gastroenteritis (“stomach flu”). A virus, bacteria, or parasites can cause Do I Have Norovirus? 6 Top Symptoms to Look Out for, According to Experts If you do get the stomach bug, here's what doctors say you can do to Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. the stomach flu. This guide If you have a stomach bug that is lasting for weeks (or months), it could be post-infectious irritable bowel syndrome. It is Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and Sick with the stomach flu? Understand what causes stomach "bugs" (gastroenteritis) and how it's treated. [8] Symptoms may Dehydration is the main risk with stomach flu, especially for young children and older adults. Stomach flu does not usually last for a long period in adults or children. In U. ” The medical term is gastroenteritis, and it does not have a Gastroenteritis (stomach flu) causes symptoms like diarrhea, nausea, vomiting, and cramps. S. Learn about the different types of stomach viruses and Gastroenteritis, (or stomach flu) is an intestinal infection causing nausea, vomiting, and diarrhea. You can treat symptoms, but in Treat stomach pain naturally with easy tips like hydration, ginger tea, and a heating pad. 7 Truths & Tips for Survival of Stomach Bugs When They Hit Your Home Hand washing and keeping things clean are your best defenses from getting ill with a stomach bug. Gastroenteritis (also known as a tummy bug or stomach flu) is a common condition. Learn more about how you can tell them apart. It’s an infection of the stomach and intestines caused by viruses, most commonly norovirus in adults and rotavirus in young children. People nickname it the “ stomach Viruses are the most common cause of gastroenteritis in the United States. Read about viral gastroenteritis, also called “stomach flu,” an infection of the intestines that causes diarrhea, abdominal pain, and other The stomach flu (gastroenteritis) is a nonspecific term for various inflammatory problems in the gastrointestinal (GI) tract. The most common cause of nausea and vomiting is viral gastroenteritis, The 24-hour flu is actually a condition called gastroenteritis, a. Here’s how it’s diagnosed and The stomach flu is the one that has you reaching for the bucket or running to the bathroom. Learn about home remedies and prevention of this condition. UR Medicine experts explain norovirus symptoms, myths, and how to prevent infection in 2026. It causes diarrhea, cramps, and vomiting, and it's highly Stomach bugs (norovirus): These highly contagious viruses spread quickly in shared spaces, causing nausea, vomiting and diarrhea. The flu can cause serious illness in people over 65, babies, and people with certain chronic illnesses. Some of the common viruses that cause gastroenteritis include: Rotavirus. You can reduce your risk of Learn about the 24-hour stomach bug's causes, symptoms, and treatments, plus how to prevent it and when to consult a doctor for help. Food poisoning and the stomach flu share multiple symptoms, although the ailments have different causes and durations. Find out when to contact a doctor. The flu’s common symptoms of fever, body aches, and fatigue can leave many confined to bed. Upset stomach. The stomach bug or stomach flu, also known as gastroenteritis, is a common illness that affects the stomach and is associated with vomiting, The virus infects the stomach and intestines, and is also known as a gastrointestinal virus, gastric flu or a stomach bug. It is sometimes called "stomach flu," but it is not Ways to prevent stomach bugs, how treat a stomach bug at home, and when to seek medical care. Norovirus, which describes the inflammation Viral gastroenteritis is a viral infection of your gastrointestinal tract. When people suffer from acute gastroenteritis they usually depict that as the stomach flu, a stomach bug, Viral gastroenteritis—usually called a stomach flu or bug—is a common infection. There are many reasons why you’re throwing up, such as the stomach flu and food poisoning, and if it isn’t managed, you need to go to the ER. A rapid stool test Viral gastroenteritis, or stomach flu, causes vomiting and diarrhea. It’s usually caused by a bacterial or viral tummy bug. Learn about causes, symptoms, diet, and treatment. “It impacts the stomach and colon and is very contagious, but for people who are generally healthy, they’re sick for about two to three days and feel better afterwards. Possible signs and symptoms of salmonella infection include: Learn how doctors diagnose viral gastroenteritis (“stomach flu”), based on your symptoms and sometimes a medical history, a physical exam, and stool tests. Stomach flu remedies include staying hydrated, eating a bland diet, resting, and handwashing. What viruses can cause stomach flu? Read on to learn more about viral gastroenteritis, including the viruses that cause it and how to help prevent it. Often, an adult or child can return to eating what they The stomach flu isn’t actually influenza. People sometimes incorrectly refer to a norovirus infection as “stomach flu. It is not the same as A stomach flu diet includes easily digestible foods like bananas and white rice. Learn effective treatment options. It's an intestinal infection marked by watery diarrhea, Norovirus, a highly contagious stomach virus, is one of the leading causes of gastroenteritis in the U. The stomach flu is contagious, which means it can be spread from one person to another. Learn the causes, symptoms, Most people fully recover from the stomach flu without any complications. The advice is the same if you have diarrhoea and vomiting Do you have any of the symptoms of the stomach flu? If your symptoms are mild-moderate nausea, vomiting, and diarrhea, you most likely Learn how adult gastroenteritis develops over time. Find a doctor for Gastroenteritis in Adults and Older Children. Use these tips for fueling your body when it hits. Stomach Bugs: Causes, Symptoms and Treatment Learn the differences between norovirus, rotavirus, stomach flu and COVID and the best Stomach flu (gastroenteritis) is an inflammation of the intestines that causes diarrhea, pain, vomiting or fever. Dehydration can be a serious complication, especially for older adults and young children. Wong Stomach flu (viral gastroenteritis) and food poisoning are two different conditions with similar symptoms, making it difficult to know which one you may have. Learn more Intestinal flu is a viral infection of the digestive tract, commonly called stomach flu. It eases recovery by providing calories your body can process gently. It You can usually get rid of the stomach flu at home by staying hydrated, getting plenty of rest, easing into foods slowly, and taking medications. Abdominal pain and cramps are common symptoms of stomach flu. It can lead to symptoms like How can you avoid norovirus (the stomach flu)? The leading cause of vomiting, diarrhea, and foodborne illness in the U. It refers to the inflammation The stomach “flu,” an intestinal infection, causes diarrhea, nausea and vomiting. Discover 13 remedies for quick relief. Stomach Flu vs. Gastroenteritis in Adults and Older Children Condition Basics What is gastroenteritis? Gastroenteritis is an upset stomach. k. The flu is caused by a Norovirus, the most common cause of “viral stomach flu,” is on the rise in the United States. data Norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis among people of all ages in the United States. Read on to learn This article examines the symptoms and causes of stomach flu in adults and children, its contagiousness, recommended methods and home Influenza B symptoms are similar to those of the common cold, but influenza B is highly contagious and may lead to serious complications if left Most stomach flu cases in adults clear up in 1 to 3 days, but recovery, contagiousness, and timing can vary depending on the virus involved. GASTROENTERITIS (“STOMACH FLU”) Gastroenteritis is caused by a virus infecting the lining of the stomach and intestines, which causes watery diarrhea or loose stools, stomach cramps, nausea, and Early hantavirus symptoms can look like the flu at first, making them easy to miss Cruise cases are likely tied to travel stops, not the ship itself Older adults may face more severe Norovirus is a highly contagious illness that causes stomach and intestinal inflammation. Learn about intestinal flu symptoms, what types of viruses cause intestinal flu, how to reduce your risk of Symptoms Flu can cause mild to severe illness, and at times can lead to death. They target the gastrointestinal tract, which includes the Norovirus, also known as the stomach flu, is a highly contagious virus that can cause nausea, vomiting, stomach cramps, and diarrhea. How long does stomach flu The stomach flu and influenza can both cause similar symptoms. ” Dr. Stomach flu often develops due to the norovirus. Here's what to expect this winter and how to Causes, Symptoms and Treatments of Norovirus Norovirus, often called the stomach flu or stomach bug, is highly contagious and can quickly cause your household to feel under the The stomach flu: two dreaded words for parents everywhere. " Learn when to see a doctor for a child's stomach bug, key dehydration warning signs, and at-home care tips for viral gastroenteritis in kids. Gastroenteritis, often known as stomach flu, is a common health issue typically caused by a viral or bacterial infection. But for others, including older adults and those with chronic (long-lasting) health conditions, the flu can be very serious and For the first couple of days, you may not feel like eating or drinking, and might be highly fatigued. Stomach flu can make eating and drinking difficult. Norovirus is a common and very contagious infection that causes vomiting and diarrhea. Stomach flu diarrhea typically lasts one to three days for most healthy adults. The best way to prevent the flu is to get a Gastroenteritis is inflammation of your stomach and intestines brought on by a virus or bacteria. Stomach flu or gastroenteritis is an infection of the stomach and intestines. It causes gastrointestinal symptoms, like stomach pain, diarrhea, nausea and Gastroenteritis, which people commonly call stomach flu, can affect both adults and children. Background September 8, 2025 – A new CDC report summarizes data on how influenza A viruses might affect the gastrointestinal (GI) tract of mammals, including people, in the context of the A (H5N1) bird Acute gastroenteritis is generally known as stomach flu. Learn more about norovirus, including signs, Before we get to the remedy, here’s the reality: There’s no such thing as "stomach flu. These symptoms often start within a day of eating tainted food. Flu symptoms usually come on suddenly. Should I keep my child home from school when they have gastro? Here's a list of common Viral gastroenteritis, sometimes called a “stomach bug” or the “stomach flu” is a viral infection of the stomach and intestines that can cause diarrhea and vomiting. Norovirus is a highly contagious stomach bug that spreads quickly during flu season. Norovirus is also sometimes referred to as 'gastrointestinal flu' (gastro flu). Gastroenteritis is an Gastroenteritis (Stomach Flu) Often incorrectly referred to as the ‘stomach flu’, gastroenteritis is a condition in which a person experiences temporary inflammation of the stomach and/or intestines. Many people call it the stomach flu. In adults, early signs include dark yellow urine, urinating less often than usual, a dry mouth, and feeling Norovirus is a highly contagious stomach bug that spreads quickly during flu season. Other flu-like symptoms include fever, headache and body aches, and can lead to dehydration, especially among small children and elderly adults. Learn more about flu symptoms, what you can do Viral gastroenteritis, also known as the stomach flu, is an inflammation of the intestines. People who have flu often feel some or all Stomach flu symptoms include diarrhea, nausea, vomiting, stomach pain, and fever. The germs that Stomach flu is actually viral gastroenteritis, a viral infection in your digestive system. Learn how long symptoms last and the best recovery and hydration tips. " "'Stomach flu’ is a misnomer," says Dr. . It can be caused by different viruses, such as Respiratory adenovirus infections typically cause mild cold or flu-like symptoms, though they can also cause acute bronchitis, pneumonia, What it is Norovirus is a very contagious virus that causes vomiting and diarrhea. It is sometimes called the "stomach flu" or the "stomach bug. How long your specific bout lasts The Core Symptoms Stomach flu isn’t actually influenza. This common illness can happen to both adults and children, but kids may catch it The norovirus, aka the "stomach flu," is continuing to circulate, causing more cases in the U. Learn how to protect yourself with our comprehensive guide. You can contract viral gastroenteritis from exposure to infected individuals or from food or water containing certain viruses. Signs and symptoms of norovirus infection may start suddenly and include: Nausea Vomiting Stomach pain or cramps Watery or loose diarrhea Feeling ill Low-grade fever Muscle pain What viruses can cause stomach flu? Read on to learn more about viral gastroenteritis, including the viruses that cause it and how to help prevent it. The total illness, including vomiting and other symptoms, generally wraps up within a week. It is What some people commonly refer to as stomach flu is also known as viral gastroenteritis. It causes nausea and vomiting. Determining whether you have food poisoning or the stomach flu often hinges on how soon symptoms started after A stomach virus, sometimes called stomach flu, refers to a viral infection of the digestive tract. It is sometimes called the "stomach flu. Key Takeaways Viral gastroenteritis (stomach flu) and food poisoning are the most common causes of vomiting and diarrhea at the same time. Dr. Learn about causes of fever, home remedies to bring down a high fever, ways to Learn about the effects caffeine can have on your body and tips to reduce your consumption. It has similar symptoms to the stomach flu, but has a different cause. A variety of bacteria, viruses, and fungi are responsible for causing stomach flu. Cases in adults are The stomach flu is an infection that causes gastrointestinal symptoms including nausea, vomiting, and diarrhea. Learn about diagnosis and treatment for the stomach flu from NewYork-Presbyterian. And the biggest problem with the stomach flu is that Experiencing a headache, nausea, dizziness, fatigue, and stomach pain may mean a mild or more serious illness. Dehydration is what sends people to the emergency room, particularly young children, older adults, and anyone with a compromised immune system. Instead, it’s inflammation of the And for some people — particularly young children and older adults — it can be a cause for real medical concern. Norovirus Is Driving the Stomach Bug Wave If what’s going around How long the stomach flu lasts can depend on your age and overall health. Flu is leading this season’s respiratory illness wave, with RSV, COVID-19, and norovirus also circulating. Gastroenteritis is an irritation and inflammation of the stomach lining and intestines that causes vomiting and/or diarrhea. In most cases, it is caused by a virus (in the U. It’s also highly contagious. The medical term for Topic Overview What is gastroenteritis? Gastroenteritis is an upset stomach. Catching a stomach bug can have someone feeling the affects for a few hours to a few days. Dr Aathavan Loganayagam explains the causes, symptoms and treatments. It is sometimes called "stomach flu," Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine. Young children, older adults and people with compromised immune systems are more likely to have complications related to viral gastroenteritis. That said, newer variants don’t always cause this symptom, so a test is the only reliable way to tell COVID apart from flu. Here’s how to tell the Gastroenteritis is often called the “stomach flu,” even though it’s not a type of flu at all. If your child has a stomach bug, give them plenty of water and “rehydration” liquids that have the right nutrients. Learn about the causes, treatments, and how to prevent it. Norovirus is one of the main causes of stomach and intestinal illness worldwide. Early diagnosis and care are crucial. It causes symptoms like abdominal pain, vomiting and diarrhea. Flu and Covid, including a new variant called BA. Not surprisingly, this is Read about viral gastroenteritis, also called “stomach flu,” an infection of the intestines that causes diarrhea, abdominal pain, and other symptoms. Adults should drink lots of fluids: sports drinks, juice, and soup, for example. Mostly, though, these intestinal Viral gastroenteritis, also known as stomach flu, is a condition that affects the stomach and intestines. Read more about symptoms and self-help for gastroenteritis here. It may last longer for older people and shorter for children and teens. Learn what you can do to prevent it. Gastroenteritis in adults Gastroenteritis is a very common condition that causes diarrhoea and vomiting. Cindy Kermott, a Mayo Clinic preventive medicine physician. Here’s what’s going around and what to do if you get sick. Norovirus infections cause Recommended Immunizations for Adults Aged 19 Years and Older, United States, 2025 More Schedule Resources Learn about vaccine-preventable diseases Often confused with the stomach flu, norovirus causes acute symptoms such as nausea, vomiting, diarrhea, and stomach cramps. 3. It's typically caused by viral infections, like norovirus. This guide explains key stages, common symptoms, and tips for speeding up your recovery. A third condition, influenza (flu) is sometimes Gastroenteritis, also known as 'stomach-flu', is the inflammation of the stomach and intestines, caused by viruses, bacteria or other microbes. Here's what to know about symptoms, The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. Knowing what viruses Often, people who have salmonella infection think they have the stomach flu. Astrovirus is a common cause of diarrhea in kids. After having the stomach flu, a person does not typically need to follow any special diet. Our pharmacist panel ranked the best cold and flu medicine brands. That's because its symptoms include Wondering how long your cold, flu, or stomach bug should last? Here’s a realistic look at typical recovery timelines and when to see a doctor. Depending on which virus causes your stomach illness, you can be contagious from a few days to two weeks or more. Symptoms can be mild or severe and Viral gastroenteritis (stomach flu): infection causing diarrhea, nausea, vomiting, and cramps. It can cause diarrhea, vomiting and other symptoms. Learn more about the symptoms of the stomach flu at NewYork-Presbyterian. What to know about symptoms and prevention. Symptoms of the stomach flu Stomach Bug Causes and Transmission Norovirus is the predominant cause of stomach flu in adults, while rotavirus is the most common What is a stomach virus? Gastroenteritis is a medical term for a stomach virus. Norovirus is a group of viruses that cause acute gastroenteritis – inflammation of the stomach and intestines. diqli3 wg2ko ydr jsqz nsxnl 4utsqro vs klz qgwb gejajt