Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

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 ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

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 ...

Cold sores can be a frustrating and uncomfortable experience, but they’re incredibly common and usually nothing to worry about health-wise. The small, fluid-filled blisters typically appear around the ...

Cold sores, also known as oral herpes, can pass through sexual contact. However, they are not technically a sexually transmitted infection (STI), as people most often acquire cold sores through ...

A stiff neck and sore throat can occur together for many reasons, often due to an infection. Symptoms are typically acute ...

“Meanwhile, flu typically causes a sudden onset of fever, severe tiredness and weakness, muscle and joint aches, a headache, ...