Some just from one side to the other, as mine did pretty fast
some that spread to unusual areas, and
some that spread to the lower areas, or upper from lower, ect, and some, not a lot, but some end up with full body RSD.
Okay, so this is what I know from reading and reading and reading. But, the doctor I am currently seeing will not say that this is something that can happen.
I suppose my question is, can RSD spread from the upper limbs, to the lower limbs?