May I ask where your abscess is located? Also, was there a fistula present? My daughter had an abdominal abscess 3 months ago. It was at her Termianl Ilium, and had a fistula to it as well. It was treated with a CT guided drained, and a drain line in for about a week. She took Flagyl for several weeks afterward, and seems okay so far. Our GI did suggest Remicade as well, but I'm really not ready to try such a sophisticated drug yet, and have opted for Imuran.
I have had abcesses and fistulas since I was diagnosed a year and a half ago. I have been on remicade for about as long and have had six surgeries to try and drain them. Mine just wont go away. I know that they can do a bowel resection but other than the abcesses I am not that bad as yet. My doctors tell me that everyone is different.
I know how challenging this is, but give it time and see if it will heal on its own. Dont go for a resection unless you really have too.
My daughter had the exact treatment as you describe for her abscess. It's been a few months so far. She was on Flagyl for somewhat longer though. Thanks for the reply, It's always good to hear about treatment success.