And check the sticky threads near the top of the RSD forum or use the search tool for specific things you want to read more about.
RSD or CRPS diet - also supplements
HBOT = hyperbaric oxygen
warm water pool therapy ( 80 degrees I believe, but not sure of the rec temp for RSDers)
I don't know if they try stellate blocks??

for kids or if that is an older therapy that isn't used as much anymore....
Does she still have good use and mobility? At some point therapy may be needed to keep legs/feet mobile.