I was steroid dependent for the first few months after my diagnosis. When I did start to taper - disaster struck. My symptoms didn't flair, but I did experience what they call adrenal insufficiency I think. I tapered so slow - with the final taper at only 2 mg. But, that final taper had me stranded in bed. I could barely get to the bathroom and back I was soooooooo so very tired. My only advice there - taper ten times more slowly than you think you should, and don't plan on getting much done for the first week or so that you're finally steroid free.
As for the burning related to your abscess, yes - I have experienced something similar. My abscess was a peri-anal abscess and fistula, but it started up around my tail bone. As the abscess progressed, it started to take on a horse-shoe like shape around my anus, and the further that it stretched, the worse that it burned. It wasn't until I had a drain/seton installed that I realized that the abscess must have rubbed just right on a muscle... because the seton rubbed on the same darn muscle. I don't think I sat on my rear for three months straight the burning and pain was so bad!
As for starting Humira with an infection, I'm sure someone will come along with a more official answer - but I started on Remicade, the sister drug of Humira, when my abscess and fistula problems were at their worst! That's what finally got rid of the darn things for me. My nurses have been more concerned in the past with infections like colds/viruses, coughs... things like that.
26f, dx'd CD July '05 after 6 fistula/abscess surgeries
Remicade only, every 16 weeks.
Digestive enzymes, and probiotics.
Doing pretty darn good, all things considered.
"Our greatest fear is not that we are inadequate, but that we are powerful beyond measure."