Noroviruses, like other viruses, don't respond to antibiotics, which are designed to kill bacteria. No antiviral drug can treat noroviruses, but in healthy people, the illness should go away on its own within a couple of days. Most people don't have any long-term problems from the virus.
To prevent dehydration, make sure to drink plenty of liquids, especially water and juices. Give children an oral rehydration solution (such as Pedialyte) to replace lost fluids and electrolytes. Avoid sugary drinks, which can make diarrhea worse, as well as alcohol and caffeinated beverages, which can dehydrate you further.
Symptoms of dehydration include dizziness when standing, dry mouth, and a decrease in urination. If severe dehydration develops, contact your doctor. Severe dehydration is sometimes treated with intravenous (IV) fluids.
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