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.
Take adequate fluids throughout the day. The BRAT diet (ie, bananas, rice, applesauce, toast) or soft easily digestible semisolid diet can also be taken.