A member 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?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Maybe: Triggers for cold sores can include illness, stress, fatigue, becoming physically cold, dry air, UV rays (sun), mouth trauma or one's period.

Answered 7/24/2014

3.9k views

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