What can you do to prevent cold sores HSV 1 cold sore treatment and prevention (oral herpes)?

Reduce stress. Cold sores are from a virus that is permanently in your "system" and comes out when you're stressed, lack of sleep, minor trauma, lowered resistance, etc. Once you've got one, you'll always have it. Often treated by a dentist using s soft tissue laser (without actually touching the sore) & makes them heal faster. See your md if medical issues exist.