A 27-year-old female asked:
Why do I get canker sores on my tongue instead of a blister on my lip? I have herpes simplex 1
1 doctor answer
Dr. Paul Brand answered
36 years experience in Dentistry
Different animals...: Canker sores aren't to be confused with cold sores (which result from herpes virus). Canker sores are not viral, and they are not infectious - they are similar to other immune type reactions, such as dermatitis, etc, and are frequently related to stress (local or systemic). The lesion on your lip would more likely be a cold sore, and your tongue is a more typical place to get a canker sore.
Answered on Nov 7, 2013
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