Bacterial gastroenteritis is present when bacteria cause an infection of the stomach and intestines
Infectious diarrhea - bacterial gastroenteritis; Acute gastroenteritis; Gastroenteritis - bacterial
Bacterial gastroenteritis can affect 1 person or a group of people who all ate the same food. It is commonly called food poisoning. It often occurs after eating at picnics, school cafeterias, large social gatherings, or restaurants.
The germs may get into your food (called contamination) in many ways:
- Meat or poultry may come into contact with bacteria when the animal is processed.
- Water that is used during growing or shipping may contain animal or human waste.
- Improper food handling or preparation may occur in grocery stores, restaurants, or homes.
Food poisoning often occurs from eating or drinking:
- Food prepared by someone who did not wash their hands properly
- Food prepared using unclean cooking utensils, cutting boards, or other tools
- Dairy products or food containing mayonnaise (such as coleslaw or potato salad) that have been out of the refrigerator too long
- Frozen or refrigerated foods that are not stored at the proper temperature or are not reheated properly
- Raw fish or oysters
- Raw fruits or vegetables that have not been washed well
- Raw vegetable or fruit juices and dairy products (look for the word "pasteurized" to make sure the food is safe to eat or drink)
- Undercooked meats or eggs
- Water from a well or stream, or city or town water that has not been treated
Many different types of bacteria can cause bacterial gastroenteritis, including: