Welcome to NeuroTalk....
There have been several studies in other countries over the past decade that Vit C taken in 500 to 1000mg a day for 50 days or so after a foot/hand trauma/surgery prevents RSD in many people.
It is not 100% but it is certainly simple and easy to do and may help.
This post has some of the links, but not all of them.
http://neurotalk.psychcentral.com/post670648-7.html
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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