You may have one or all of the symptoms if you have a stomach virus. [substeps] The illness is self limited, meaning the virus usually runs its course in 2-3 days.
[header] How to know if you have a stomach virus [title] Understand the symptoms of a stomach virus or flu. [step] This illness affects each area of the gastrointestinal tract. Its symptoms can include nausea and vomiting, diarrhea, abdominal discomfort, and general malaise.