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Perleche
Angular cheilitis is an inflammation of the corner of the lips. It can be caused by a variety of factors, including a bacterial infection.

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Angular Cheilitis

Angular cheilitis, also known as perleche, causes redness and inflammation to develop at the corners of the mouth, usually on both sides. It is often the direct result of an accumulation of saliva that creates an ideal environment for fungus or, more rarely, bacteria to grow.
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