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Symptoms of Norovirus

Noroviruses are believed to be the leading cause of all non-bacterial outbreaks of gastroenteritis. Noroviruses occur in the feces and vomit of infected people and animals. The infection is spread through food, water, or ingesting germs from touching others or touching surfaces that an infected person has touched.
Symptoms of the norovirus are typically only present for a brief period.  Symptoms of the norovirus include:


This is generally the first symptom someone with norovirus noticeably experiences.


Vomiting can occur very quickly, with little to no warning. This sudden onset of symptoms makes it especially easy to spread norovirus, because people can begin spreading it before they even feel ill themselves.


Generally, a stomachache may accompany nausea and vomiting symptoms of the norovirus.

Abdominal Pain

Abdominal pain and cramping may affect someone with norovirus.

Watery or loose diarrhea

Diarrhea can last up to 1 week after a person has had norovirus, even if they are feeling better.

Feeling lethargic

Lethargy is often caused because of mild dehydration in cases of norovirus.

Fever and chills, typically mild

Typically, those with norovirus only have mild temperatures, if any at all. They may also experience chills with a fever, but not necessarily.

Body aches

With norovirus, the infected person may experience body aches, similar to those felt by someone with the flu. Because of the similarities in symptoms, it can be difficult to distinguish between norovirus and influenza.


Headaches often accompany norovirus due to mild dehydration.

How long does Norovirus last?

Symptoms of norovirus typically last 1 to 3 days. The incubation period after exposure can be a short as 12 hours to as long as 2 days. Even if someone is feeling better, they can still pass the virus from the day they start to feel ill to as long as 2 weeks after they begin to feel better. In most cases of norovirus infections, the infection goes away on itself within a few days and has no long-term complications. That being said, it is often difficult to distinguish between norovirus and other illnesses. If your symptoms persist for longer than 3 days, you become severely dehydrated because you are not able to drink enough liquids to replace those lost, or experience any other symptoms that seem worrying, you should contact your doctor for medical assistance. Young children and the elderly are especially susceptible to more extreme effects of norovirus. In cases where norovirus has occurred in one of these age groups, administering oral rehydration fluids, such as Infalyte, Naturalyte, Oralyte, and Pedialyte, can be helpful.

Norovirus Treatment in New Bedford & Dartmouth, MA

If you or your children are experiencing the signs and symptoms of norovirus and you think you need medical attention, consider receiving walk-in treatment at AFC Urgent Care New Bedford for norovirus. For questions, please call 508-990-1900.