Hi Erin,
It sound like you have a good start to help him feel better.
I do not have Whites. As you know, there are plenty of FF members that do !

1)Here is information for a vet if you should need it:

http://www.frogforum.net/tree-frogs/...-prepared.html

2) cut / paste and answer all of the questions below on this/your thread: !!! please post pics if possible - it is very important

http://www.frogforum.net/tree-frogs/...enclosure.html

3) see this post:
http://www.frogforum.net/content/bas...first-aid-142/

MOST IMPORTANTLY - HAVE YOU SEEN ANY POOP ?
Hope this gets things started for you and your frog. I hope he feels better soon!