I work in healthcare and have dealt with anxiety for my whole life. 
I get bad and good periods. But right now it's beyond terrible. I can't be with my family, I'm simply not here. I'm just going over and over and over the same 5 thoughts of if I made a mistake, if they misunderstood me etc. All the bad things that could happen. I will inevitably meet them and they will tell me I ruined their life. Once in a while I can force myself to tell myself it's not as bad as I think, but it just come back and back and back.
If anyone have managed to break this habbit I'd be so interested to hear what you did.