I have psoriatic arthritis, which is very similiar to RA. I've never heard of the medication you're taking but will share with you what's helped me.
When I first saw the rheumatologist he put me on methotrexate and diclofenac. Didn't help the pain much, and I had to stop taking it because my liver count went up. After that they tried Celebrex and I had an allergic reaction. The only thing that get me functioning at all during all this time was 2 over the counter Alleve a day. TNF drugs were quite new at the time and I opted not to try them. I went on for several years with just the alleve, suffering terrible pain at times and some deformity in my hands that won't go away. Finally, after my Mom passed away 3 years ago I decided that my quality of life was so bad I would try the TNF drugs regardless of the possible side effects. They started me on Enbrel injections and after a few shots, I had a really bad reaction at the injection site. They switched me to Humira and it has been a miracle for me. I can walk normally again and most days forget I even have arthritis. Quite a change from having to use a cane and not being able to bend my knees some days. I can't remember when I had a really bad flare up. I give myself an injection every week.
It's easy, relatively painless and so far, I haven't had any adverse reactions. Just have to be careful to go to the doctor and stop the shots if I get a fever or any sign of infection because it does lower the immune system.
Do you have a good rheumatologist? You might want to discuss the TNF drugs.
Good luck and don't give up. They're coming up with new medications all the time.