Is the Stomach Flu Contagious?
There are a variety of causes of the stomach flu (gastroenteritis).
Unfortunately, the most common causes are contagious, for example:
- Bacteria, for example, E. coli, Salmonella, and Shigella
- Viruses, for example, norovirus and adenovirus
- Parasites, for example, Giardia lambia and Cryptosporidium (also
known as "Crypto")
What is the stomach flu?
- The stomach flu (gastroenteritis) is an infection of the stomach and intestines. Though it is
referred to as the "flu" it is not the same as influenza. Influenza does not
always affect the gastrointestinal tract, and most influenza symptoms involve the
- Infection of the stomach and intestines is referred to as
- Stomach flu is usually caused by viruses, but it also
can be caused by
bacteria or parasites.
Are the stomach flu and food poisoning the same thing?
Food poisoning and the stomach flu are not the same thing. There are many
types of food poisoning that are not infectious. Food poisoning and the stomach
flu share many of the same symptoms, including
However, food poisoning comes on pretty
quickly after eating contaminated food, and usually it goes away within a few
hours to days. Gastroenteritis can last for up to 10 days.
Medically Reviewed by a Doctor on 9/27/2016