What are these itchy bumps that just appeared on my arm in the shape of a circle about 1 1/2 inch diameter? Ive had this for almost a week now but don't know what it is, or how to make it go away.
http://s75.photobucket.com/albums/i3...Photo-0010.jpg
http://s75.photobucket.com/albums/i3...Photo-0009.jpg
http://s75.photobucket.com/albums/i3...Photo-0005.jpg
