Use an over-the-counter antiviral cream as soon as tingling starts
Apply a cold compress to reduce pain and swelling
Keep the sore clean and dry
Avoid touching, picking, or popping it
Wash your hands after any contact with the sore
Avoid kissing and oral sex until fully healed
Do not share drinks, utensils, lip balm, or towels
Use petroleum jelly or lip balm to prevent cracking
Take pain relievers like ibuprofen or acetaminophen if needed
Get enough rest and manage stress
Avoid foods that irritate the sore
See a doctor for prescription antiviral medicine if outbreaks are severe, frequent, or not improving