Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold sores are caused by the herpes simplex virus (HSV-1), which is very ...

The cold sore-causing Herpes Simplex Virus (HSV-1) hijacks human cells and reconfigures its DNA within just an hour after infection, according to a new study that may help tackle the pathogen. Viruses ...

It's no secret that cold sores tend to pop up during periods of stress and then take another two or three weeks to go away. But new research offers a clearer understanding of why stress, illness and ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

While cold sores are not dangerous, they can be irritating — especially if you suffer from frequent outbreaks. Although they most commonly appear around the lips and mouth, cold sores can spread to ...

For the best experience, please enable JavaScript in your browser settings. So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology ...

When it comes to treating cold sores, the typical drugstore is well stocked with creams, balms and ointments all claiming to treat the red, pus-filled and uncomfortable growths. But some of these ...

A cold sore on the lip can be uncomfortable. It usually heals within a week or two. A cold sore looks like a blister. Other skin issues, like pimples and canker sores can also appear on the lips and ...

Symptomatic infection with the virus responsible for cold sores around the mouth–herpes simplex 1, or HSV-1 for short—may have a key role in the development of Alzheimer’s disease, suggests a large ...

So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots that appear in or around the outside of the mouth and are caused ...