Use an over-the-counter antiviral cream as soon as tingling starts
Apply docosanol cream if available
Take prescription antiviral medicine if a doctor recommends it
Keep the sore clean and dry
Apply a cold compress to reduce pain and swelling
Use petroleum jelly to prevent cracking
Avoid picking, squeezing, or touching the sore
Wash your hands after any contact with the sore
Avoid kissing and oral contact until fully healed
Do not share cups, utensils, towels, or lip products
Use pain relievers like acetaminophen or ibuprofen if needed
Avoid acidic, salty, or spicy foods that irritate the sore
Get enough rest and manage stress
Protect your lips with SPF lip balm
See a doctor if sores are severe, frequent, or do not heal
Seek medical care if you have eye symptoms, fever, or a weakened immune system