Overview
Diagnosis
Diagnosis of viral gastroenteritis is usually based on symptoms and a physical examination. Your doctor may also consider whether similar cases are occurring in your community. In some cases, additional tests may be needed to confirm the cause or rule out other infections.
Common diagnostic steps include:
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Reviewing symptoms such as nausea, vomiting, diarrhea, stomach cramps, and fever
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Performing a physical examination to assess dehydration and other signs of illness
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Conducting a rapid stool test to detect viruses like rotavirus or norovirus
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Requesting a stool sample to rule out bacterial or parasitic infections if necessary
Treatment
There is no specific medical treatment for viral gastroenteritis, as antibiotics are ineffective against viruses. Treatment focuses on relieving symptoms and preventing dehydration.
Self-care measures include:
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Drinking plenty of fluids, such as water, oral rehydration solutions, or clear broths
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Eating bland foods when tolerated, like rice, toast, or bananas
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Getting enough rest to help the body recover
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Avoiding alcohol, caffeine, and dairy products until symptoms improve
In severe cases, especially for infants, older adults, or people with weakened immune systems, hospitalization may be required for intravenous fluids to restore hydration and electrolyte balance.
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