If Staphylococcus aureus is involved, the lesion may show golden yellow crusts. Infrequently, the dermatitis (which may resemble eczema) can extend from the corner of the mouth to the skin of the cheek or chin. Where the skin is involved, there may be radiating rhagades (linear fissures) from the corner of the mouth. The mucosa of the lip may become fissured (cracked), crusted, ulcerated or atrophied. Later, the usual appearance is a roughly triangular area of erythema, edema (swelling) and breakdown of skin at either corner of the mouth. Initially, the corners of the mouth develop a gray-white thickening and adjacent erythema (redness). In some cases, the lesion may be confined to the mucosa of the lips, and in other cases the lesion may extend past the vermilion border (the edge where the lining on the lips becomes the skin on the face) onto the facial skin. The lesions are more commonly symmetrically present on both sides of the mouth, but sometimes only one side may be affected. As there are different possible causes and contributing factors from one person to the next, the appearance of the lesion is somewhat variable. Ī fairly mild case of angular cheilitis extending onto the facial skin in a young person (affected area is within the black oval).Īngular cheilitis is a fairly non specific term which describes the presence of an inflammatory lesion in a particular anatomic site (i.e. In the developing world, iron, vitamin B 12, and other vitamin deficiencies are a common cause. It occurs most often in people in their 30s to 60s, and is also relatively common in children. Angular cheilitis is a fairly common problem, with estimates that it affects 0.7% of the population. Frequently an antifungal and antibacterial cream is also tried. Treatment for angular cheilitis is typically based on the underlying causes along with the use of a barrier cream. Diagnosis may be helped by testing for infections and patch testing for allergies. Other factors may include poor nutrition or poor immune function. Allergies may include substances like toothpaste, makeup, and food. Irritants include poorly fitting dentures, licking the lips or drooling, mouth breathing resulting in a dry mouth, sun exposure, overclosure of the mouth, smoking, and minor trauma. Infections include by fungi such as Candida albicans and bacteria such as Staph. Īngular cheilitis can be caused by infection, irritation, or allergies. Angular cheilitis is a type of cheilitis (inflammation of the lips). The condition can last for days to years. Often the corners are red with skin breakdown and crusting. Redness, skin breakdown and crusting at the corner of the mouth Īngular cheilitis ( AC) is inflammation of one or both corners of the mouth.
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