A member asked:

Best way to prevent cold sores?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Avoid triggers: Triggers for cold sores can include illness, stress, fatigue, becoming physically cold, dry air, UV rays (sun), mouth trauma or one's period. Your doctor can prescribe valtrex (valacyclovir).

Answered 11/1/2015

2.1k views

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