I am very glad the vet found what was causing Bella to be so sick. My Suzi has been ill too, and is finally starting to feel better. When I took her in the vet liftet her fur up and told me that she was not dehydrated. Suzi did not need iv's either. Bella had an obstruction , that was causing her to be very ill.
My Suzi had more like an infection that was the same symtoms as your Bella. I am glad she is going to feel better now.