Labial herpes

Labial herpes: A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and crusting over. The favorite locations are on the lips (the labia), chin or cheeks and in the nostrils. Less frequented sites are the gums or roof of the mouth (the palate). Labial herpes is also called fever blisters or cold so...
Found on http://www.medterms.com/script/main/art.asp?articlekey=9840
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