I get panic attacks behind the bar

I work in a bar in London, it’s big but not too busy, I generally know what’s going on and what I need to do . However, I also have diagnosed anxiety, I’ve been struggling with persistent panic attacks for over a decade. Obviously, if and when I have an attack at the bar I can handle it, I hand over very quickly and I communicate what’s going on. The issue is, once I’ve had one, it feels like another is on its way and I cannot bartend through consistent panic attacks. I’m seeing a therapist, taking meds, my boss knows. But it could really jeopardise my job. Has anyone had a similar experience and come out the other side? Is there something I can do? Any tips on handling panic attacks at a bar?