By eHow Health Editor
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Gastroenteritis occurs when a person has a combination of symptoms including nausea, diarrhea and stomach cramping. This is why you will also hear it called "stomach flu." You can not really do much to prevent viral gastroenteritis, outside of avoiding the virus when other people have it. There is, however, quite a bit of information to follow when insuring prevention of bacterial gastroenteritis. The chief culprit is food poisoning. To prevent it, you mainly need to use good sense in the care and handling of foods.
eHow Health Editor