Even when a cold sore is healed, the virus lies dormant in the ganglia of the trigeminal nerve waiting to strike again.
When triggered, the virus travels back through the sensory nerve pathways (where it has been lying dormant) and an outbreak occurs. These outbreaks can often appear in the same vicinity as the initial infection. 1

	Chapped or dry lips / Cold weather
	Sunlight or Ultraviolet lamps
	Injury to the lips, such as cuts, scratches or bruises
	Illness such as colds or flu
	Being overly tired
	Stress or Emotional upset

• Use lip moisturizers frequently to prevent chapping
• Avoid the sun and tanning lamps when possible
• Use a sunscreen lip balm containing SPF 15 or better
• Protect the lips from possible injury
• Wash hands frequently and thoroughly to help avoid colds and flu
• Always get enough rest and sleep
• Consider relaxation therapy or counseling if stressed
• Eat healthy to keep the immune system strong

1. Raborn GW Pharmacodynamic Considerations in the Treatment of Cold Sores: A comparative Look at Available Treatments. PowerPac CE, Dec 2006
2. Pelegrin GM. Treating the cold sore, not just the symptoms. Pharmacy Times: Pharmacist Edition: September, 2007

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