Have you talked to the HR people where you work (perhaps through your union) to find out what your options are? They might have a disability program.
It does sound like the Remicade is not working very well. There are other biologic meds out there. Many here have found that they have to switch meds after a while. They don't all work that way. Welcome to the board. Don't hesitate to ask questions at any time. You will find that the people here are very supportive and caring.
Suffering since a teenager.Dx with AS Dec 2009. Dx with ulcerative colitis 1998, both knees replaced 2006. GP said I had "some kind of inflammatory arthritis" 25 years ago. It has taken 50 years to get a Dx.
Mobic, Nexium, Naproxin, Lipitor, 6-MP, Nexium, Miacalcam, MSContin and 2 Norco for break through pain