Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...

Glad something is working for you.
I either do that or have stomach twisting and feel like I'm going to heave every five minutes for a week after taking a single mobic or hydrcodone. The temporary RA relief is not worth the resulting IBS flare :)
Used to swear by Vioxx. (Showing my age there) But that was when I had a stomach of steel :)
Prednisone also is hard on the GI system. Seems all the "good stuff" definitely have their down sides.
There are several new RX drugs for IBS, guess you're probably aware of those. Best wishes.
None of the IBS drugs worked for me. Not even the anti nausea meds. But the paleodiet that put me in a 7 month RA remission - also made the IBS disappear. So both of my conditions are primarily based on food intolerance. I only have problems with either when I develop a new food sensitivity, eat something I know I shouldn't, or take a med that my stomach can't handle.