can occur With or as result of other conditions including CPS. some feel it occurs w/ FMS. the pain is in your head [brain]--not in connective fibers, as the name Fibro-myagia implies.

the Links shared by Kevin for CPS are great. Central Pain Syndrome Alliance, a group that educates & offers support, can provide more details & info.
can Link to them and additional Links & info on CPS @

http://centralpain.org

CPS & central pain sensitization came up as recent topic @ NT forum for Peripheral Neuropathy. If interested, go on over there to see what others have said, but for more detailed info. Support or questions, hightly recommend CPSA group.

wishing you ALL the Best