Here is a link to a site which has provided me with very low cost GENERIC drugs.
Worth checking out. Eligibility based on income.

http://www.xubex.com/Default.aspx

CRPS seems to be extremely unique, depending on the individual. You must experiment with a number of drugs and therapies AND professionals to find
the best management strategy. Took me over a year to get to that point.....

Good luck!