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rash that looks like scratches
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rash that looks like scratches

I have a rash that looks like long thin red scratches (1-3 inches) on the
back of my hand, the inside of my forearm near my hand that has now
spread to both sides of my trunk, belt line, etc. I looks like it could be scratches from a cat or something.  It is not especially itchy
but it is bothering me a little especially as new areas break out. Any idea what this could be? It started on my forearm a couple of days ago and seems to be spreading a little each day.... should I see a doctor?
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Yes, I think you should.  I am having trouble fitting the image of what you describe with anything I've ever seen, unless of course these ARE scratches.  The only conditions I am familar with which produce long lines are 1)jellyfish stings and 2) dermographism, or hives from histamine release when the skin is rubbed with a sharp object, whether a fingernail or something else.

I would therefore consult a doctor as soon as you can arrange it.  Perhpas he or she will see something I can't picture, or perform a relevant test to see what's going on.

Best.

Dr. Rockoff
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