Allergic reaction/rash after tummy tuck now containing blisters at 11 days post-op. (Photos)

At roughly 6 days post-op, a rash developed on my incision line around the closure tape, as well as on the upper ab area. My immediate thought was the binder was the cause, and informed my surgeon. It worsened over the coming days, tape was removed Friday and by that night after seeing photos, a steroid called in. It was better Saturday am for a couple hours and then terrible, now containing blisters at 11days post-op, and two days after removal. No meds other than steroid being used since fri.