Cold sores or fever blisters are primarily caused by the herpes simplex virus (HSV) type 1, which is related to the virus that causes genital herpes (HSV-2).(A cold sore can develop after you’ve ...

Cause Cold sores are commonly caused by HSV-1, and yet the cause of a canker sore is unknown. Factors that may contribute to a canker sore include a family history of canker sores, ...

Everything You Need to Know About Fever Blister Remedies, Causes, and More. Medically reviewed by Bukky Aremu, APRN — Written by Emily Cronkleton — Updated on April 12, 2023. Our picks; ...

Cold sores are painful blisters caused by an infection with the herpes simplex virus (HSV). Learn more about the causes, risk factors, symptoms, treatment, complications, and prevention of cold sores.

Cold sores are common, and they can sometimes appear under the nose. Learn about the symptoms, causes, treatment, and prevention of cold sores under the nose.

Fever blisters, commonly referred to as cold sores, afflict many, causing discomfort and detracting from one’s appearance. It’s imperative to comprehend the underlying causes of these pesky ...

What causes a cold sore? A cold sore is “a reactivation of a latent herpes simplex virus infection,” says Adigun. People who get cold sores were once infected with the herpes simplex virus ...

Causes of Cold Sores. Cold sores are caused by a common virus called herpes simplex. Most people get exposed to the virus when they’re babies or children. There’s no cure for it.

Medically reviewed by William Truswell, MD Cold sores and pimples are two common skin conditions that primarily affect the face. Cold sores (herpes labialis) are caused by the herpes simplex virus ...

A new study has found that herpes simplex 1 (HSV-1)—the common virus behind cold sores—may be linked to the development of Alzheimer’s disease.The report, published in BMJ Open on May 20 ...