First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral infection ...

Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD Most people have had blisters—painful or itchy bubble-like pockets of skin filled with fluid. A common type of ...

Cold sores are blisters that can develop on the lips or around the mouth when a person has the herpes simplex virus (HSV). There is currently no cure, but there are treatment options to help control ...

Bullous pemphigoid is a rare autoimmune disease that affects your skin. It’s a chronic disease that causes itchy, fluid-filled blisters to form all over your body. Although people of all ages, ...

There’s nothing worse than slipping on a new pair of shoes or spending time in the garden only to discover painful blisters a few hours later. A blister is a raised bubble on the skin that fills with ...

There are five stages of cold sores. These lead from the initial tingling in the area to the healing stage. Cold sores, also known as herpes labialis, are caused by nongenital herpes simplex virus ...

Cold sores are a symptom of oral herpes, which is caused by the herpes simplex virus. Angular cheilitis is less common and has several different causes. Each condition is treated differently. Mouth ...