Maxxine, I'm sorry you're still in so much pain.

I'd like to suggest that you read up on "Central Sensitization" and see if it fits in any way.
[also check different spelling Sensitisation]

You can also do a search for other posts on these forums by using the
Search - Click Here
I found many older posts.

Institute for chronic pain-Central Sensitization
Just one website amongst many.

p.s. I would also check out the RSD/CRPS forum link that Jomar posted. There are numerous posts mentioning central sensitization there as well.