|
|
Learn More about Cold Sores
Triggers that cause cold sores to return
Common triggers include:- Sunlight exposure, especially on the lips.
- Stress and fatigue.
- Other infections, such as a cold or flu.
- Hormonal changes caused by a woman's menstrual cycle.
- Allergies to food.
- Pregnancy.
- Dental treatment.
- Injury to the lips or gums.
- An impaired immune system, either due to medications (such as corticosteroids) or because of an auto immune disease.
- Cosmetic surgery, such as dermabrasion or laser skin resurfacing.
Learn More about Cold Sores
|
|
|
|
