A member asked:

How come i only get a cold sore in the winter?

A doctor has provided 1 answer

Stress: Cold sores are manifestations of oral herpes virus infections. It lives with you all the time. Stress - infection, stress, psychological, or environmental (including cold weather) can trigger a break out. That's what is happening.

Answered 11/20/2012

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Related Questions

A member asked:

I was wondering is it possible to get a cold sore after having one?

3 doctors weighed in across 2 answers