Enteritis
Definition:
An inflammation of the small intestine caused by a bacterial or viral infection. The inflammation frequently involves the stomach (gastritis) and large intestine (colitis) also.
Causes, incidence, and risk factors:
Enteritis is usually caused by eating or drinking substances contaminated with bacteria or viruses. The organism settles in the small intestine and causes inflammation and swelling which can cause abdominal pain, cramping, diarrhea, fever, and dehydration.
The symptoms can begin as soon as 4 hours or as late as 72 hours after exposure. Mild cases usually need no treatment. The diarrhea can cause rapid and extreme dehydration in babies.
Risk factors include recent family illness with intestinal symptoms, recent travel, or exposure to untreated or contaminated water. The incidence is 3 out of 10,000 people.
Types of enteritis include:
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