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 ...

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 ...

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 ...

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 ...

For many years, scientists have known that the herpes simplex virus-1 (HSV-1), which causes cold sores, can take up residence in parts of neurons in the peripheral nervous system. Stress can even ...

Can Ulcerative Colitis Cause Mouth Sores? Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD). UC is a chronic (lasting and persistent) condition that mainly affects the colon, part ...

A young woman has gone viral with a cautionary tale about the spread of cold sores, sharing her painful experience with a virus that spread to her eyes. Amelia (@amelia.kate02), a 19-year-old student ...