What Is a Cold Sore? A cold sore is a group of tiny, painful blisters caused by the herpes simplex virus (HSV). They're also called fever blisters or herpes simplex labialis. Up to 90% of people ...

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 ...

Cold sores, also known as fever blisters, are common, contagious outbreaks caused by the herpes simplex virus type 1, with ...

Laura holds a Master's in Experimental Neuroscience and a Bachelor's in Biology from Imperial College London. Her areas of expertise include health, medicine, psychology, and neuroscience. Laura holds ...

A new study has found the herpes simplex virus type 1 (HSV-1), which causes cold sores, may be linked to the development of Alzheimer’s disease. This idea is not entirely new. Previous research has ...

(WGN) – Herpes can cause cold sores and fever blisters, and it may also hold the key to understanding cancer. One scientist has spent 30 years studying a virus so ubiquitous that it’s estimated to ...

There are more than 10 common skin diseases seen in adults, such as acne, atopic dermatitis (eczema), cold sores, hives, and psoriasis. It can be difficult to identify these skin problems by images ...

Cold, dry weather can cause lip irritation, cracking, and cold sores. Blistex offers several over-the-counter products to treat cold sores and moisturize lips. Using antiviral creams at the first sign ...