Apply an over-the-counter antiviral cream as soon as tingling starts
Use a cold compress to reduce pain and swelling
Keep the sore clean and dry
Wash hands before and after touching the area
Avoid picking, squeezing, or scratching the sore
Use petroleum jelly or lip balm to prevent cracking
Take over-the-counter pain relievers if needed
Avoid acidic, salty, or spicy foods if they irritate the sore
Avoid kissing and sharing cups, utensils, towels, or lip products
Get plenty of rest and stay hydrated
Use sunscreen or lip balm with SPF to help prevent flare-ups
See a healthcare professional if sores are severe, frequent, last more than two weeks, or occur near the eyes