Wasatchback - interesting, and a quick search did reveal case reports of a supposed reaction to the orange dye (see link below). They do make clear chlorhexadine and perhaps they can use that as a precaution. I'm not sure whether the same dye is present in betadine, however - they only insert the dye so that a surgeon can tell exactly which area was prepped, and in betadine I always assumed it was just the iodine that gave it that color. Best of luck with the surgery!
http://archderm.jamanetwork.com/arti...icleid=1105302
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