Start antiviral treatment as soon as you feel tingling or burning
Use docosanol cream as directed on the package
Ask a doctor about prescription antivirals such as valacyclovir, acyclovir, or famciclovir
Apply a cold compress for 5 to 10 minutes at a time
Keep the area clean and dry
Use petroleum jelly or a lip balm to prevent cracking
Take over-the-counter pain relief if needed, following the label
Avoid touching, picking, or popping the sore
Wash your hands after any contact with the sore
Avoid kissing and oral sex until fully healed
Avoid sharing drinks, utensils, towels, or lip products
Reduce triggers such as stress, sun exposure, and lack of sleep
Use sunscreen or lip balm with SPF on your lips
See a doctor if sores are severe, frequent, near the eyes, or not improving