Cold sore
• Cold sore (fever blister) is a recurrent sore outside the mouth, usually on the edge of the lip.
• Cold sore is usually a painful, burning or stinging ulcer and the discomfort usually begins before the ulcer appears.
• Cold sore is red with raised edges and crusting.
• Cold sore usually recurs at the same location and eruptions of the ulcer are sometimes associated with stress.
• Cold sore is caused by the Herpes simplex virus.
Posted on December 12, 2008
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