I've been on Naltrexone for 8 months since I got sober last July.
It has no apparent side effects, my current insurance covers it 100%, and it seems to work. I really don't have cravings, per se. Sometimes when I see happy people enjoying alcohol I feel regret and maybe a little longing for the apparent camaraderie, but I really never have random urges.
I have close friends and family members who have benefited from antidepressants. I took a wait and see approach myself when I quit drinking in terms of taking something for my anxiety. But it turned out that quitting booze pretty much reduced my anxiety to manageable levels. However, I'd definitely go on medication if that changes.
I was worried about Naltrexone side effects but that was totally unfounded. I'm glad my doc convinced me to try it.