Cold Sore Triggers

HSV-1 lays dormant until triggered. To minimize cold sore outbreaks, learn what triggers HSV-1 to re-activate.

• Fever
• An illness such as the common cold or flu
• Emotional stress
• Injury to the skin around the lips, including cracked lips
• Trauma that may occur with dental work, cosmetic surgery, or chemical peels
• Exposure to sunlight or other UV light, such as in tanning beds
• Exposure to cold weather or wind
• Hormonal changes, such as those seen during menstruation or pregnancy
• Fatigue
• An impaired (weak) immune system, either because of medicines (such as corticosteroids) or because of an autoimmune disease.
• Food Allergies