Alison,

If you are looking for a simple read about what RSD is, what it does and how to treat it, read this page from RSDSA.com:
http://www.rsds.org/2/what_is_rsd_crps/index.html

RSD fact and fiction:
http://www.rsds.org/2/fact_fiction/index.html

RSD youth:
http://www.rsds.org/4/youth/index.html

RSD patient stories:
http://www.rsds.org/4/stories/index.html

You can also find sites in the above "Useful Sites, Links, Articles" section. HTH!

P.S. I did the PT for a while too, and it made things worse. It doesn't always help. The aquatic therapy is supposed to be very good for RSD, so you might want to keep at it.

BREATHING: possibly a reaction to the gabapentin... I'd call the doctor!!