My AH was on antidepressant meds for a year while he continued to drink heavily. Combination was a disaster and it never really helped the depression. Stopped taking meds as he insisted meds " made him feel weird".
I'm learning the hard way they have to want to help themselves and that we can't do it for them. This is a great site with lots of valuable information. Read as much as you can. Learn from the experience and wisdom of the many that have walked in your shoes. Hugs!