Gastroenteritis: Not sure what you have, because if it is entirely in your GI system and viral it is unusual to have a fever. Would need more info on other symptoms. Your weight loss is likely to be due to dehydration. If you cannot re-hydrate yourself fairly rapidly an ER visit might not be a bad idea. If you can keep fluids down, call and make an appt with your PCP. Hope you get better soon.
Answered 3/3/2015
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3 doctors weighed in across 2 answers
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