Im going on 5 years with derealization now. Ive tried 15+ medications, 3 different kinds of therapy, inpatient treatment, every physical test that exists, being active, exersizing, eating healthy, and ignoring it. It doesnt go away with my anxiety either. No matter what I do it just stays the same or gets better or worse as it pleases. I live my life completely at the mercy of this condition. Its ruined everything for me.