Apply an over-the-counter antiviral cream at the first sign of tingling or itching
Use cold compresses to reduce pain and swelling
Keep the area clean and dry
Avoid touching, picking, or popping the sore
Wash hands after touching the area
Use petroleum jelly or lip balm to prevent cracking
Take over-the-counter pain relievers if needed
Avoid sharing utensils, towels, lip products, or drinks
Avoid kissing and oral contact until healed
Avoid acidic, salty, or spicy foods if they irritate the sore
Get enough rest and manage stress
See a healthcare professional for prescription antiviral medicine if sores are frequent, severe, or start early
Seek medical care if the sore lasts more than 2 weeks, spreads, or you have eye symptoms, fever, or a weakened immune system