Multi-spread?
I recomend subcutanious lidocaine infusions, they work systemicly, when I started getting lidocaine infusions 2 years ago I was told that "subcutanious lidocaine infusions were given when there is more then two limbs involved and when there is spread happening".
And something you can do for yourself is take grapeseed extract.. it contains 20x more antioxidents than vitamin C. (and also up your omega 3's) I would start the home regime ASAP, studies show that vitamin C (antioxidents) can stop CRPS from taking hold in up to 80% of injurys and surgerys if given for 50 days consecutivly after the injurys.
Talk to your doctor about the subcutanious lidocaine as well it has realy made a diffrence in my life.

Good luck hon

~ Sandra

ps.. it was too late for my spread so I can't use me as an example, but I do know antioxidents tone down my flareups.