YES: Cold sores are painful lesions inside the mouth caused by viral infections.
Answered 4/28/2016
5.9k views
No: Cold sores are related to recurrent herpes virus outbreaks and only occur on regular skin often near the junction of the lip/regular skin. Mouth sores, apthous ulcers, etc. can be recurrent but are not the same virus.
Answered 11/28/2017
518 views
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