If she still is having wet nappies and as everyone has said if her skin goes back to normal after being pinched then she is still hydrated.

Just for reassurance give Nurse On Call a ring - 1300 606024, they are in Victoria and open 24/7, they are on my speed dial and I have used them numerous times to get an opinion on whether to take teh kids to the Dr or hospital.

I hope she is feeling better very soon.