you mentioned it 'hasn't been that long' you've been drinking, but if the problem goes back to when you were 14, even if it's not consistently, that's more than enough time for a problem to develop.
I still think it's a good suggestion - but of course you don't have to see your Dr if you're reluctant to do so.
I think the time has come to do something tho - SR is a good place for ideas, and this link is a good place to start
http://www.soberrecovery.com/forums/...at-we-did.html
D