Fletcher Allen, a Vermont university hospital and medical
center, serves all of Vermont and the northern New York region.
Located in Burlington, Fletcher Allen is a regional, academic
healthcare center and teaching hospital in alliance with the
University of Vermont. Gastroenteritis in Adults and Older
Children What is gastroenteritis? Gastroenteritis is an upset
stomach. It causes nausea and vomiting. You may also have
diarrhea or a fever. It is sometimes called "stomach flu," but
it is not the flu. Germs like viruses and bacteria can cause it.
You can catch it from someone else who has it, or you can get it
from food poisoning. Food poisoning can happen if you eat foods
that contain harmful germs. Germs can get into food while the
food is growing, during processing, or when it is prepared. You
may have become ill after eating meat or eggs that weren't
cooked enough or by eating other unsafe foods or drinking unsafe
water. You will probably begin to feel better in 1 or 2 days,
but you might feel bad for a we