I've never taken either of these meds but i do know people who have taken Antabuse before. It isn't prescribed much anymore because it doesn't work very good at all and from what i've seen it's pretty much useless. The guys i knew on it would just stop taking it and wait a few days and then start drinking again. Unless you want to quit no drug will help you no matter how sick it might make you.
I was a raging alcohol from about the age of 17 to 21. I had been a hard drinker all throughout my teen years and i didn't even call it drinking unless we where talking about a 12 pack. A 6 pack of beer a night is not seen as abnormal at all but i was not happy until i was smashed. I would go for liquor whenever i could because i loved drinking whiskey or rum on the rocks. But i still loved my beer because i could pound those back without looking like a total alcoholic i guess 8)
By the time i was out on my own it was not unusual at all for me to drink myself blind every night after work with very little memory of the night before. This only got worse and my mind and body was feeling the effects of it badly. I couldn't eat unless i had a beer first i got so bad and i would shake, get sick and feel like i as losing it if i didn't have atleast a few drinks. I tried a few times to quit on my own but i could never do it which only made me more depressed.
Eventually i went to a doctor and when i told him how much i had been drinking (on average a 26oz bottle of 80 proof liquor or 15 or so beers on weekdays and unlimited amounts on weekends) he wanted me to go inpatient but no way was i doing that. So he gave me a script for 40mg's of Valium a day (benzos are a must for acute alcohol withdrawal though some real old doctors still use phenobarbital) so i wouldn't have a convulsion, otherwise die of the DT's or freak out so bad id kill myself and to help the insomnia. I also managed to get a bottle of 30 30mg temazepam's and some oxy IR's so this made withdrawal easier. I took the Valium during the day with abit of oxy (sometimes a mazzie during the day if i felt really fucked) and abit of oxy to relax as well. I didn't give a fuck about the other drugs (i used benzos, opiates as well as coke/crack but i wasn't anywhere near hooked then and only a moron would use coke during alcohol withdrawal) i just knew that if i didn't quit drinking i wouldn't make it to 30. So i managed to stay off the booze and get through the withdrawals with the helps of the benzos and oxy. If i had not been on a benzo i would have probably had atleast a seizure if not something alot more serious happen. I still had the worst attacks of anxiety i've had in my life, paranoia, sometimes i had hallucinations like the type you get with Dramamine, severe nausea and sometimes vomiting, this bad dizziness and a almost unbearable craving for drink. That coupled with the feeling that my brain was fried and was never going to work right again made me feel fucked.
When i made it through the acute phase i had to go through the post acute withdrawal phase which for me lasted the better part of a year. Raw anxiety, panic attacks, shaking, insomnia, major depression, feeling so low you just wanna kill yourself, feeling detached from your body aka depersonalization, everyday objects looking off and everything looking slightly out of focus aka derealization, feeling dumbed down as if you feel less intelligent then you did before and just a overall feeling that you fucked your brain good and proper. I got through it with alot of exercise and also i must admit benzos and opiates though i was nowhere near hooked then. Exercise really helped though and it became a addiction in and of itself.
The thing is if i got through it so can you. You do have to have a battle strategy though on how to deal with the withdrawals. I assume you've been in contact with your doctor so you should work something out with him/her.