http://www.coldsoreadvice.com Get rid of cold sores fast. Best source for cold sore remedies and cold sore prevention Mon, 14 Jan 2008 03:56:33 +0000 http://backend.userland.com/rss092 en Cold sores are caused by herpes simplex, a recurring viral infection that attacks the skin and the nervous system.  Cold sores are clusters of small painful, fluid-filled blisters on the lip, outer edges of the mouth, or nose.  The skin around the blisters is usually red and inflamed.  Cold sores ... http://www.coldsoreadvice.com/what-is-a-cold-sore/