I would be interested if anyone else with lingering myo/pericarditis could offer advice on what treatment has worked. I still have pain and am unable to exercis

I would be interested if anyone else with lingering myo/pericarditis could offer advice on what treatment has worked. I still have pain and am unable to exercise 6 months after the shot. I’ve tried long term ibuprofen and colchicine but it hasn’t worked.