Anxiety at work.

Sometimes at work when im just sitting down having lunch or whatever and i see other coworkers walking towards me...i sometimes freak out and go silently in my head like.."please dont approach me..please let me be"....:kickingmyself:.....everyone knows i have anxiety and tell me to just relax and not stress out...i feel so embarrased...and alot of times i get confused and act stupid .like doing things i shouldnt be doing.......anyonelse?

What kind of work do you do? Do you interact with customers on a daily basis?