Thats what Bee told me from her forum too that its die off symptoms because I never had these pains before. I also went to E.R. twice, then a cardiologists, then my G.P. & between them all i had 2 chest xrays, echocardiogram, 3 ekg's, & lots bloodwork & they can't find nothing wrong. They all think its muscle skeletal & anxiety. I told them i have anxiety because the way i'm feeling is scary.