Migraine may be a risk factor for the development of complex regional pain syndrome.
http://migraine-chronic.blogspot.com...actor-for.html (Abstract)
http://rsds.org/2/library/article_ar...Rosso_Nair.pdf (Full study/artical, 11 pages)
Artical written by:
Cephalalgia. 2009 Jul 9; Peterlin BL, Rosso AL, Nair S, Young WB, Schwartzman RJ Peterlin BL, Rosso AL, Nair S, Young WB & Schwartzman RJ.
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It is a vascular thing. This study is well worth the read.
It compares tension headaches with migranes that have auras, aparently auras are quite important (you know the squigly lines you see before a migrane?) read on you will see how these fit in with RSD.
I origionaly found this in a headache forum.
Sandra