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You have had this rash for a while now. It comes and goes, it itches, and it does not seem to be going away on its own. You have looked things up online, and eczema seems like a possibility but so do several other things. You are not quite sure what you are dealing with. Not knowing what is affecting your skin can feel unsettling. Without a clear answer, it is hard to know whether what you are doing is helping or making things worse or whether what you need is something diffe