One of my friends on the BF Sjogren's Syndrome site recommended some natural pain rubs. She is sensitive to meds, so tries to use as many natural products as possible.
She uses Topricin cream for nerve pain
Therapain for joint pain
http://painreliefproducts.knoji.com/therapain-review-and-promo-coupon-code/
Hope this is helpful!
Please make sure to clear this with your Doctor first!