An curved arrow pointing right. Dr. Melanie Grossman, a dermatologist based in New York City, explains what causes cold sores and how to prevent them. Follow BI Video: On Twitter More from Science ...

A: A cold sore, also referred to as a fever blister or medical term herpes labialis, is a common sore most commonly noted around the mouth or lips due to the herpes simplex virus. Q: What causes a ...

Once you start getting cold sores, however, the virus can cause outbreaks throughout your life. The frequency varies from person to person, Dr. Johnston said; some people get one cold sore a year ...

A nasal cold sore typically causes a burning sensation and blisters. Treatments like ointments and home remedies may help reduce symptoms. Cold sores are caused by the herpes simplex virus.

However, not everyone who has HSV-1 gets cold sores. In fact most people who carry the virus aren’t actually aware of it because it causes them no symptoms at all. That’s because the herpes ...

The immune system plays a crucial role in managing fever blister outbreaks. Dr. Sarah Thompson, immunologist at Central Medical Center, explains that supporting immune function through natural ...