I'm so sorry to hear that your baby isn't feeling well. I sure do hope he gets well soon! Another YT member was talking the other day about anal gland problems her yorkie was having. Look at this thread:
http://www.yorkietalk.com/forums/sho...highlight=Joey
Hope it is helpful! You can PM the person who started the thread and ask her more questions if you have any that you think she may be able to answer. Please let us know what the vet says when you get back!