Gastroenteritis is an irritation and
infection of the digestive
tract. It can often cause sudden
and sometimes violent upsets
and may be confused with spastic colitis. Gastroenteritis can be produced from
viral,bacterial and parasitic infections, contaminated food or water, food poisoning, use of harsh laxatives, change in bacteria that normally live in the intestinal tract, chemical toxins in certain plants, seafood, or contaminated food, and heavy metal poisoning.