Hi Dee,
Please don't think I'm speaking out of turn, but is taking Antabuse a wise move? I'm just thinking that from the DVLA's point of view, they may see that as you are struggling to stop drinking on your own, and if you haven't had a drink since October I would argue you don't really need it? Speaking from experience I know the DVLA will jump on any reason to delay giving you your licence back, so I would advise against it, unless you really feel it will help with your drinking, as ultimately, that is what is more important here, even more important than your driving licence.
What worked for me (eventually) was regular check ins with the same GP, a couple of voluntary liver function tests and patience!
Good luck