Gastroenteritis is typically a short-term (acute) illness that is triggered by infection and inflammation of the digestive system. If a child is generally healthy, they should recover fairly easily. However, if a child has a compromised (weakened) immune system, recovery from gastroenteritis may take longer.
The main types of gastroenteritis include:
Bacterial type is caused by bacteria.
Parasitic type is caused by a parasite.
Viral is also known as the stomach flu, this type is caused by a virus.
Gastroenteritis has a variety of potential causes, including:
American Board of Pediatrics/Gastroenterology