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Search Health Information    Angular Cheilitis

Angular Cheilitis

Angular cheilitis (also called perlèche, cheilosis, or stomatitis) is a condition with deep cracks and splits at the corners of the mouth. If severe, the splits or cracks may bleed when the mouth is opened and a shallow ulcer or a crust may form.

Possible causes of angular cheilitis include:

  • Infection. Fungal infections are the most common, but viral or bacterial infections can also occur.
  • Nutritional deficiency of vitamin B.
  • Over-closure of the mouth in someone who has been without teeth or dentures for some time.

In young children, the cracks and splits often begin with lip-licking, biting the corners of the mouth, or thumb-sucking.

Treatment depends on the cause and can include lip lubrication, antifungal and antibiotic medicine, vitamins, and dentures for a person without teeth.

Current as of: July 20, 2012

Author: Healthwise Staff

Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD

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