Gastroenteritis: Sounds like you may have infectious gastroenteritis from a bacteria or virus or possibly food poisoning. Try to keep drinking plenty of fluids but if you are very lightheaded, can't keep liquids down from vomiting, or they are just passing through you (or all of the above) you may be getting dehydrated. You should consider seeing your doctor or going to an ER for IV fluids.
Answered 5/26/2014
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