Use antiviral medicines early: acyclovir, valacyclovir, or famciclovir
Apply docosanol cream at the first sign of tingling or itching
Keep the sore clean and dry
Use petroleum jelly to prevent cracking and bleeding
Apply a cold compress to reduce pain and swelling
Take over-the-counter pain relievers such as ibuprofen or acetaminophen
Avoid touching, picking, or squeezing the sore
Wash hands after any contact with the sore
Avoid kissing and oral sex until fully healed
Avoid sharing cups, utensils, lip balm, towels, or razors
Use sunscreen or lip balm with SPF to help prevent future outbreaks
Reduce triggers such as stress, lack of sleep, and sun exposure
See a doctor if sores are severe, frequent, widespread, or near the eyes