Renee,
It's perfectly o.k. to whine here. i think we've all done it.

I'm fearing spread as well to my foot. Like Vrae I have cold RSD/CRPS2 too.

I wish I had advice on patches, I have never tried them or been given the option to by my P.M. Dr. Right now, I'm relying on a few meds. & nerve blocks.
If you can, I think weaning off the percocet is a good idea if there's an alternative that works for you.