Several viruses, including the norovirus or the rotavirus, can affect a person's stomach. The illness is more serious for babies and the elderly, who are unable to increase their fluid intake without assistance from others. Symptoms of a stomach virus include throwing up, diarrhea and nausea.
Rehydrate
Dehydration is a side effect of consistent vomiting and diarrhea. Fluids need to be replaced, as do the nutrients found in those fluids. However, the fluids need to be replaced slowly, in some cases an ounce at a time. Liquids that work well include water, weak tea and apple juice. Carbonation and caffeinated drinks should be avoided. Acidic drinks, like orange juice, should also be avoided.
Rest the Stomach
Rest is one of the best cures for a stomach virus. Do not begin eating solid food until the vomiting has ceased for a few hours. When eating commences, start with lighter foods like crackers, bread, eggs and applesauce. Dairy and heavier foods like meats should not be eaten. About three days after the illness has passed, the patient can resume a regular diet.
Prevention
To decrease the chance of attracting another stomach virus, individuals should wash hands frequently and use chlorine bleach-based cleaners to decontaminate surfaces. Also, dirty clothes should be washed promptly. Fruits, vegetables and oysters should be cleaned before eating. There is a preventive vaccine for rotavirus infections but not norovirus infections.
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