Health Tip: What Causes a Cold Sore?

(HealthDay News) -- A cold sore is a painful sore that often forms on the lips or around the mouth. While a cold sore is caused by the herpes virus, many factors can act as triggers.

The American Academy of Dermatology says potential triggers include:

  • Feeling run down, stressed or tired.
  • Having the flu, a fever or a cold.
  • Being exposed to the sun.
  • Having hormonal changes as a result of pregnancy or menstruation.
  • Having an injury or trauma to the face from a cut, dental work, shaving or surgery.

    • Date Published: 2/28/2024 4:38:34 AM

    Related Articles

    Search Allergy Articles

    UV Light Effective Against Indoor Allergens, Study Says

    Are You Ruining Your Child's Chance To Avoid Food Allergies?

    Seasonal Allergies Likely To Grow Worse Under Climate Change

    Why Vaccines Are Especially Important for Children With Asthma

    What to Know About Anaphylaxis: Symptoms, Triggers & Treatment

    Scientists Develop Whole New Form of Effective Asthma Treatment

    Night Shift Associated With Asthma Risk In Women

    ER Visits for Burns, Eye Issues Rose 8-Fold During Recent L.A. Fires

    Most Americans Keep Chronic Health Conditions Hidden at Work: Poll

    Fast, Easy Nasal Swab Helps Diagnose Asthma Type in Kids

    Second Flu Vaccine Meeting Canceled -- What Happens Next?

    Patient Hospitalized in Louisiana With First U.S. Case of Severe Bird Flu

    Flu Cases Start to Surge as Americans Prepare for Holiday Gatherings

    CDC Urges Faster Testing for Bird Flu Amid Growing Outbreak

    First U.S. Death From Bird Flu Reported in Louisiana