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Lip Sores

By David F. Murchison, DDS, MMS, Clinical Professor, Department of Biological Sciences;Clinical Professor, The University of Texas at Dallas;Texas A & M University Baylor College of Dentistry

A raised area or a sore with hard edges on the lip may be a form of skin cancer (Home.heading on page Mouth and Throat Cancer and see Overview of Skin Cancer). Other sores may develop as symptoms of other medical conditions, such as oral herpes simplex virus infection (cold sores—see Oral infection) or syphilis. Still others, such as keratoacanthoma, have no known cause.

* This is the Consumer Version. *