I don't have experience personally to share...sorry, but here is a helpful site.
Working with your doctor, and reading up here may help bring you some comfort and helpful information during your transition.
On-line drug weaning information: (to be used in conjunction with, not substitution for your doctor's instructions)
http://www.theroadback.org/
We also have great self-help coping skills here in our Resources. For relief during your wean and beyond!
https://www.healingwell.com/community/default.aspx?f=9&m=104206
Keep posting for anxiety support anytime.
Scaredy Cat