Avoid close contact with people who have active cold sores
Do not share lip balm, utensils, towels, razors, or drinks
Wash hands frequently, especially after touching your face
Avoid touching your lips, mouth, or sores
Use sunscreen or lip balm with SPF on your lips
Manage stress with sleep, exercise, and relaxation
Get enough rest and maintain a healthy immune system
Avoid triggers such as illness, fatigue, sun exposure, and hormonal changes when possible
Start antiviral medication early if prescribed by a doctor
Use barrier protection during oral contact if a sore is present
Replace toothbrushes and lip products after an outbreak
Keep any active sores clean and avoid picking at them