Mysterious rashes and skin conditions

[Magical Realist]

Ever have a patch of skin like on your arm start itching like crazy and the more you scratch it the redder it gets? I have that right now on my wrist. Can't imagine what it might be. All I did was go to Subway and eat and came back. Maybe rashes can be due to stress, although I'm not really that stressed now. Will I die? Let's peruse some common rash causes while I wait and see:

http://www.skinsight.com/diseaseGroups/i...Rashes.htm