Hi Shebe,
I'm no expert so my words are only my own opinions based on my own experience.
There is a positive viewpoint here. 1stly it's great that you're aware that you might have a problem. What's even better is that you stated an underlying problem & there is a much better solution than alcohol that, unlike alcohol will give you a more permanent & consisten quality of life.
My fiance has HUGE anxiety issues & I know how much it can affect your life, particularly your social life.
Now the part oyu don't want to hear. You need to go to your GP & get a referal to a psychiatrist. There are a few meds for anxiety so the chances of finding 1 that works for you are very good.
There's nothing wring with drinking by the way, provided it's for the right reasons & like everything in life, done in moderation. If you do get medication & you still can't stop drinking then you should definitely talk to the psych about that too. They're there to help, like this forum is but only so much can be achieved on a screen.
I hope you find relief from your anxiety.