No.: Canker sores are herpes. Cold sores are of unknown origin and are not contagious like canker sores. See your physician to determine which you have.
Answered 2/2/2013
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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