you should investigate Lidoderm patches.
They are really useful...and now very very commonly used. I started with them in the early days, and use them for pain when I get a flare.
We have had many posts on many forums here and "there" about them.
I can't recommend them enough.
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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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