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

    Antibiotics Might Increase Risk of Childhood Asthma, Allergies

    Wildfire Smoke Alters Immune System, Study Says

    Holiday Tips To Keep Allergies and Asthma Under Control

    How To Help Your Back-To-School Kid With Their Allergies

    Seasonal Allergies Likely To Grow Worse Under Climate Change

    GLP-1 Drugs Help Quell Asthma Among Teens Who Are Overweight or Obese

    App Helps Asthma Patients Track Symptoms

    Cities Contribute To Asthma, Researchers Argue

    Monthly Injection Could Free People With Severe Asthma From Steroids

    Antibiotics Might Increase Risk of Childhood Asthma, Allergies

    They Spent Hours In A Room Full Of Flu Patients And Walked Out Healthy — Here's How

    Moderna’s mRNA Flu Vaccine Back Under FDA Review

    Holiday Flu Surge Drives Record Illness Across the United States

    Breakdown In Federal Health Tracking Leaves U.S. Vulnerable To Outbreaks, Pandemics, Experts Warn

    Watching the Super Bowl? Doctors Warn About Hidden Health Risks for Fans