how bad is it?
I was in a band in my "roaring twenties", all that went on was drinking and playing in bars, drinking at practice (a BIG no-no BTW), and hanging out with a case or so on non-gig nights. There was alot of bad blood between the singer and bassist, and the band eventually fell apart, once I was out of that routine things levelled off. I got married, stopped hanging out in the bar all the time. It wasn't (for me) to the point that I felt I NEEDED a drink, and never had a houseful of booze, it was just the environment i was in. I used to probably down 6 or 8 beers every night we played out... by contrast, last year I bought one 24 can case (to share with the Mrs.), threw out 17 of them because they got old! If you're kind of in the same situation ( I was dubbed a "social alcoholic" by my wife, who knew me then too ) it may just be a change of environment or a different circle of friends you need.
on the other hand, if it's gotten to the point that you can't function without constant binging, then seek support from a qualified counselor ( my uncle came back from 'nam with a nasty drug problem ,thanks to the counselor he finally went to, he's been clean since '81 ).
I wish you all the luck in the world in your quest, by admitting it, you are that much ahead of the game (took my old drummer 2 girlfriends and 3 DUI arrests to get to where you are now). Bravo for the courage to speak up!