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When to Seek Medical Care
In most cases of norovirus infection, medical care is not necessary as the infection is self-limiting. However, if replacement fluids cannot be or are not taken orally to keep a person hydrated, medical care should be sought. This inability to rehydrate is more often seen in infants, young children, the elderly, and in immunosuppressed people. Increased lethargy, decreased fluid intake, and decreased urination (signs of dehydration) often are indications that medical care should be obtained. Patients with extensive vomiting may be at a high risk for dehydration or esophageal damage; these patients should also seek medical care.
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