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 ...
Hosted on MSN

What is cheilitis?

Cheilitis is an inflammation of the lips that can be caused by sun damage, cosmetics, or saliva. Symptoms of cheilitis include dry, red, painful, scaly, and itchy lips. Cheilitis can lead to second ...