How much are you taking?
I detoxed off of vicodin and took fioricet for headaches. I had a prescription for them to take if I have a migraine headache, which honestly doesn't happen very often. I found that my disease traded one addiction for another, so it wasn't long before I was physically dependent and addicted to fioricet.
It wasn't hard detoxing off of this medicine, which is a good thing. The key was a slow and steady taper that took about 12 weeks. I cut by one-half pill every week for 12 weeks (I was taking six a day), and it wasn't too bad coming off with that taper. I still crave the high of the drug, however. As a result, my doctor quit prescribing them for my headaches.
Good luck,
mk