The Lyme rash may or may not itch. Were you bitten by a tick? What does your rash look like? Here is a site where you can see some, not all, examples of Lyme Disease rashes:
[url="http://www.lyme.org/gallery/rashes.html"]http://www.lyme.org/gallery/rashes.html[/url]
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rash itch? 
Linear Mode
