Viral gastroenteritis

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Viral gastroenteritis

Viral gastroenteritis is inflammation of the stomach and intestines caused by a virus. The infection can lead todiarrhea and vomiting. It is sometimes called the "stomach flu."

Viral gastoenteritis is aleading cause of severe diarrhea in both adults and children. Many types of viruses can cause gastroenteritis. The most common ones are:

• Rotavirus -- the leading cause ofsevere gastroenteritis in children. It can alsoinfect adults exposed to children with the virus. Outbreaks may also occur in nursing homes.
• Norwalk virus - causes diarrhea outbreaks among groups. It is common among school-age children.

These viruses are often found in contaminated food or drinking water. Symptoms of viral gastroenteritis usually appear within 4 to 48 hours after exposure to the contaminated food or water.

Those with the highest risk for severe gastroenteritis include the young, theelderly, and people who have suppressed immune systems.

US Food and Drug Administration. FDA Approves New Vaccine to Prevent Rotavirus Gastroenteritis in Infants, Rockville, MD: National Press Office; February 3, 2006. Press Release P06-16.

Dennehy PH. Acute diarrheal disease in children: epidemiology, prevention, and treatment. Infect Dis Clin North Am. 2005; 19(3): 585-602.

Jabbar A.Gastroenteritis and antibiotic-associated diarrhea. Prim Care. 2003; 30(1): 63-80, vi.

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