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. Most people recover in 1 or 2 days and have no long-term health effects. Dehydration can be a concern in the very young, the elderly, or people with weakened immune systems. Occasionally infected people may experience milder symptoms for a week or more.
Noroviruses are very contagious. They are found in the stool feces or vomit of infected people. From there, noroviruses are transferred to food, water, or surfaces by the hands of infected people who have not washed adequately after using the bathroom. Some people with norovirus infection show no signs or symptoms.
However, they are still contagious and can spread the virus to others. Seek medical attention if you develop diarrhea that doesn't go away within several days. Also, call your doctor if you have severe vomiting, bloody stools, stomach pain or dehydration. Noroviruses are highly contagious and are shed in the feces of infected humans and animals.
You can get norovirus by:. Noroviruses are difficult to kill off because they can withstand hot and cold temperatures and most disinfectants. For most people, norovirus infection usually clears up within a few days and isn't life-threatening. But in some people — especially children, older adults and people with compromised immune systems — norovirus infection can cause dehydration.
Norovirus infection can cause severe dehydration, malnutrition and even death, especially in people who are older or immunocompromised, or in women who are pregnant. Children who are dehydrated might cry with few or no tears. A stomach bug and food poisoning can be commonly…. When the stomach flu strikes, it can be difficult to keep anything down, but certain foods may help you bounce back quicker.
Here are 17 foods and…. Following the proper procedure for washing your hands will quickly become second nature. Scrubbing hands together for 20 or more seconds is enough to…. Since ancient times, herbs have been used as natural remedies for a variety of viral infections. Here are 15 herbs with powerful antiviral properties.
This germophobe blesses us with her ultimate guide to getting through public restrooms unscathed by restroom nasties. Health Conditions Discover Plan Connect. What are the Personal Preventative Measures? What Treatments are Available? Who is at Risk of Norwalk Virus Infection? Where can I get more Information on Norwalk Virus?
There is currently no vaccine available for prevention of Norwalk virus. Since Norwalk virus is a virus, antibiotics are ineffective against it. Maintaining adequate fluid intake to replace losses from vomiting or diarrhea is important. Drink plenty of fluids, such as water and juices. The use of oral rehydration solutions ORS may be recommended by physicians. These are available in pharmacies without a prescription.
The virus does not discriminate. The symptoms of Norwalk virus infection may be more severe for older individuals, young children and those with underlying medical conditions who may become dehydrated due to the vomiting and diarrhea.
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