Start antiviral treatment as soon as tingling or burning begins
Use prescription antivirals such as valacyclovir, acyclovir, or famciclovir if available
Apply docosanol cream at the first sign of symptoms
Keep the area clean and dry
Use a cold compress to reduce pain and swelling
Take over-the-counter pain relievers if needed
Avoid touching, picking, or popping the sore
Wash hands frequently
Avoid kissing and oral contact until fully healed
Avoid sharing utensils, lip balm, towels, or razors
Use petroleum jelly or lip balm to prevent cracking
Avoid acidic, salty, or spicy foods if the sore is irritated
Get enough rest and manage stress
Stay hydrated
See a healthcare professional if outbreaks are frequent, severe, or not improving