Welcome again to SR, withteeth!!
Have you ever considered some therapy? You actually have quite a few options. I have had social phobia in the past and I even used to have panic attacks. Things that have helped me are: a book called Don't Panic, cognitive-behavioral therapy, biofeedback, and a medication called Inderal. There are also lots of other meds that may be helpful that are far less addictive than Xanax. I wish you the very best!
Love and hugs,
Eddie