Baby steps now, Sarah Putney. An hour at a time. Go to a mtg you can. This is the hard time because some physical addiction may remain.
Addiction, Physical or mental, is a monster--it will eat you alive if you let it.
I'm fighting it myself right now and I've got 20 years sobriety. it never gets easier except you learn better coping skills. Hang in there you'll be okay.
Roadie