Use over-the-counter antiviral creams or ointments as soon as tingling starts
Apply cold compresses to reduce pain and swelling
Keep the sore clean and dry
Wash hands before and after touching the area
Avoid picking, scratching, or popping the sore
Use petroleum jelly or lip balm to prevent cracking
Take pain relievers such as acetaminophen or ibuprofen if needed
Avoid kissing and oral contact while the sore is active
Do not share cups, utensils, towels, or lip products
Avoid acidic, salty, or spicy foods if they irritate the sore
Get enough rest and manage stress
See a doctor for prescription antiviral medicine if outbreaks are severe, frequent, or widespread
Seek medical care if the sore lasts more than two weeks, spreads, or occurs with fever or eye symptoms