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A 23-year-old female asked:

Hi. i have had 3 cold sores in 3 weeks. when one goes away, another one came up. could there be an underlying cause?

1 doctor answer4 doctors weighed in
Dr. Heidi Fowler
Psychiatry 27 years experience
Maybe: Triggers for cold sores can include illness, stress, fatigue, becoming physically cold, dry air, UV rays (sun), mouth trauma or one's period.
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Last updated Jul 24, 2014


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