Hi Patti,
I am sorry to hear your little Pom is not doing well. Just wanted to give you a link to people with knowledge about Cushings Disease, and to tell you that the diagnosis is quite a bit more involved than simple bloodwork. It is not always easy to diagnos and can be misdiagnosed as well. Hopefully she does not have it but it is treatable. Here is the link and sending healing thoughts for your baby
http://www.caninecushings.net/forums/