I have this rash on my upper arm - it has been there for at least 6 months. It does not itch, some of the bumps are raised, others are not. Some are red, others are skin colored. I have read about eczema, and I have chlorine reaction which causes eczema, so I know this isn't eczema- it doesn't even itch. I haven't found any information on what it could be. It never goes away. Could someone please list me a few things I could read about- that may be causing this?
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