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 ...

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Dear Doctor K: I get painful cold sores in my mouth every couple of weeks. Why do I get them? And what can I do to make them go away faster? Dear Reader: Cold sores are caused by the herpes simplex ...

Infection with herpes simplex virus type 1 (HSV-1), the virus that causes cold sores, is associated with the development of Alzheimer’s disease – that’s the conclusion of a new case-control study of ...

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 ...

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 are an unhappy fact of life for an estimated 55 million Americans, say health experts. ``Some of my patients know they will get a cold sore whenever they go skiing or to the beach,'' says ...

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 ...