Viral gastroenteritis overview: Difference between revisions
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==Causes== | ==Causes== | ||
Many different viruses can cause gastroenteritis, including | Many different viruses can cause gastroenteritis, including [[rotavirus]]es, [[norovirus]]es, [[adenovirus]] type 40 or 41, [[sapovirus]]es, and [[astrovirus]]es. Viral gastroenteritis is not caused by [[bacteria]] (such as [[Salmonella]] or [[Escherichia coli]]) or parasites (such as [[Giardia]]), or by medications or other medical conditions, although the symptoms may be similar. | ||
==Diagnosis== | ==Diagnosis== | ||
Revision as of 14:52, 24 April 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Gastroenteritis is the inflammation of the stomach and the small and large intestines. Viral gastroenteritis is an infection caused by a variety of viruses that results in vomiting or diarrhea. It is often called the "stomach flu," although it is not caused by the influenza viruses.
Causes
Many different viruses can cause gastroenteritis, including rotaviruses, noroviruses, adenovirus type 40 or 41, sapoviruses, and astroviruses. Viral gastroenteritis is not caused by bacteria (such as Salmonella or Escherichia coli) or parasites (such as Giardia), or by medications or other medical conditions, although the symptoms may be similar.
Diagnosis
Laboratory Findings
Rotavirus infection can be diagnosed by laboratory testing of a stool specimen. Tests to detect other viruses that cause gastroenteritis are not in routine use, but the viral gastroenteritis unit at CDC can assist with special analysis upon request.
Treatment
Medical Therapy
The most important of treating viral gastroenteritis in children and adults is to prevent severe loss of fluids (dehydration). This treatment should begin at home. Your physician may give you specific instructions about what kinds of fluid to give. CDC recommends that families with infants and young children keep a supply of oral rehydration solution (ORS) at home at all times and use the solution when diarrhea first occurs in the child. Medications, including antibiotics (which have no effect on viruses) and other treatments, should be avoided unless specifically recommended by a physician.