Yes, I had a severe welts with a rash under my bra line and then hives where the top of my legs connect to my torso. I also have like an air pocket feeling in y sturnum for the last 5 days, I did go to Mayo, they put me on predizon, Zycan and Zytec. The rash is gone, but the air pocket feeling is sttil there. What could cause this?