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The 24-hour flu is usually a type of gastroenteritis, which is an inflammation of the intestines and stomach, says William Schaffner, M.D., an infectious disease specialist and professor at the ...
"Norovirus symptoms usually appear 12 to 48 hours after exposure, but temporary upset stomach symptoms appear much faster — within a couple of hours," Dr. Alhassani adds.
The 24-hour flu, food poisoning, and COVID-19 all have overlapping symptoms such as nausea, vomiting, and diarrhea, but there are some key differences when it comes to diagnosing the three, says ...
When a person becomes infected with norovirus, the virus replicates within the small intestine. The principal symptom is acute gastroenteritis, characterized by nausea, forceful vomiting, watery diarrhea, and abdominal pain, that develops between 12 and 48 hours after exposure and lasts for 24–72 hours. [49]
In children, there may be diarrhea and vomiting, although [3] these symptoms are more commonly caused by the unrelated illness, gastroenteritis (otherwise known as the stomach, or 24 hour flu). [ 3 ] Complications
It’s also sometimes called stomach flu, viral gastroenteritis or the winter vomiting bug. The U.S. reports 19 million to 21 million cases a year. Humans are the only hosts of the virus.
Those sick with flu-like illness are recommended to stay home for at least 24 hours after their fever is gone, except to get medical care or for other necessities. (The fever should be gone without the use of a fever-reducing medicine.) The sickened are advised to keep away from others as much as possible to avoid making others sick.
Norovirus symptoms usually develop within 12 to 48 hours after exposure, per the CDC. "Norovirus ... will just last a few days," said Ostrosky. "For the majority of the population, it’s going to ...