When you have viral gastroenteritis, which is commonly known as a stomach virus or the stomach flu, you have an illness in which a virus attacks your gastrointestinal tract. Since the two most prominent symptoms of gastroenteritis are vomiting and diarrhea, the first question most people ask their doctor is what should they eat when they have stomach flu. Depending on the severity of your case, it may be hard to keep any food down at all, and there might not be much you can digest successfully. But some foods work better than others. Foods that are easy for your system to process have the best chance of staying with you. These include applesauce, bananas, eggs, gelatin, soda crackers and toast. For the most part, make sure you stay away from foods that are acidic, spicy or greasy. Also avoid vegetables that contain a lot of fiber. Course grains and meats should be avoided too, as should dairy products. When you have stomach flu, it's very important to get l...
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