One week down, but I feel awful
Isopure is a clear liquid with protein. http://www.theisopurecompany.com/en/drinks
Might help. Also Gatorade with eletrolytes might be a life saver for you right now. Just be sure to drink lots and lots of fluid. That's what you really need to concentrate on at this point - lots and lots of liquid. Dehydration is awful and life threatening.