Hi. I have a sister who is extremely sick, has been for 6 days now. she is currently being hospitalized and her symptoms include nausea, diareah, vommiting, dehydration and fever. the hospital is currently treating it as a stomach bug. she has been given bags and bags of fluids and her face is completely swelled, and her urine is still coming out a dark color. when her blood was taken she also had high liver enzymes, and her blood oxygen level was reading 84. a normally healthy 21 year old with a stomach bug does not have those readings. they hooked her up to oxygen and brought her levels back up but they are still treating it as if it were a stomach bug, which it is obviously not. any ideas?