I've wondered the same thing, but everytime I do a search on it, I come up with the same answer - "how Imuran works is unknown". Guess as long as it works, it really doesn't matter, but I still would like to know exactly how it works.
---Nathan--- 31 yr old male
Diagnosed May 2006 w/severe UC (pancolitis)
Currently in mild flare
2 400mg Asacol 4X day
2 grams calcium/day
100mg Tramadol/day for abdominal pain (as needed)
1 Fioricet ever 4 hrs as needed for severe migraines