thinking people are staring at you is the main sa worry/symptom, you could spend many many months doing cbt and trying to gain confidence in yourself,where you get to the point and say f*** them. but in my experience cbt takes a hell of a lot of practice and normally people tire of repeating the same tasks daily untill they move on to the next one.
as was mentioned find yourself a good shrink who is very familiar with SA and he will try various meds on you. ive had sa since i was 14 now 38-finally ive found a combo that really does make me feel normal and im over confident sometimes-which can piss my g/f off !!
im on nardil and klonopin,together they work wonders-singly the klonopin will do a great job,
but adding the nardil has given me sooo much more confidence.
best of luck