hairless rat not drinking

Question
I have a 3 month old hairless rat who isn't drinking.  She was drinking before,
but a couple days ago I noticed that she had stopped.  When I put water on
my fingers, she quickly licks them dry.

I'm leaving for a trip tomorrow morning, and my brother will be caring for the
Meeko.  I am really worried that a whole week before seeing a vet may be too
long.  How can I get her to start drinking? Is there something I should put in
her water?

Answer
Is she eating ok and acting ok?  give her baby food, stage 1 version. This has alot of water in it and will help get her water in. Is she    urinating ok?  She cant go a week if she is sick or she will dehydrate.

Let me know if she is acting sick ...