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 ...

Most blisters (fluid-filled bubbles under the skin) heal on their own and aren’t cause for concern. But if your blister becomes infected, ignoring it can lead to potentially serious complications.

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 ...

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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, ...

You may be tempted to pop a blister, particularly one that's itchy or painful. But in many cases, the fluid that accumulates under a blister (and makes you want to pop it) aids healing. So, the answer ...

You usually do not need treatment for blisters, which often heal on their own. Make sure you wear properly fitted shoes and moisture-wicking socks to help prevent blisters. You should cover any ...

The primary cause of blisters on the feet is friction that arises from poorly fitting footwear or constant rubbing or chafing. Burns, insect bites, allergic reactions, skin conditions, and certain ...

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 ...