I didn't know it was that drastic. If she is close to going to the hospital, they HAVE to have better answers for you out there than to force her!
However, what I do when ds is really ill with a stomach bug and refuses EVERYTHING - Food, water, milk, etc. is to squirt pedialyte into his mouth every 15 mins using a medicine dropper.
{{{HUGS}}}}} to you both. I am so very sorry that you are going through this, and even sorrier that I don't have any sage advice for you! :cry: