Angular cheilitis can look like swollen or red patches at the corners of your mouth. It’s caused by a variety of things, including saliva buildup, bacterial infections, smoking, and vitamin B ...

Actinic cheilitis causes dryness and thickening typically along the lower vermillion border, which is the line that separates the lips from the skin of the face. Symptoms can include tenderness, ...

Medically reviewed by Marla Anderson, MD Key Takeaways Actinic cheilitis is a precancerous condition caused by UV exposure ...

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 ...

Angular cheilitis is an inflammatory condition that causes red, swollen patches on the corners of the mouth. It can be caused by certain fungal or bacterial infections and typically responds well to ...