You might try acupuncture. There are quite a lot of herbal remedies
that might help in combination -- most often mentioned for rhematoid is boswellia, devil's claw, and there are also proteolytic enzymes, tumeric, ginger, etc. Avoiding inflammatory foods such as nightshades (potatoes, eggplant, zucchini, tomatoes, etc.), sugar, white flour, and dairy can be helpful. You might want to research this, as a combination of many things is usually what's used naturally.