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 ...

ARE MY LIPS just really chapped? Do I have cold sores? These questions probably come to mind when you notice painful cracks in the corners of your mouth. But, more than likely, this dryness and ...

Cracks or sores at the corners of your mouth may seem like a temporary problem or a small issue, but they can be more than just skin dryness. This condition, known as angular cheilitis, is often ...

Allergic contact cheilitis (ACC) is allergic contact dermatitis (ACD) affecting lips. It causes swelling, inflammation, and possibly scaly skin. The term “cheilitis” refers to short- or long-term ...