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Initially, the corners of the mouth develop a gray-white thickening and adjacent erythema (redness). [2] Later, the usual appearance is a roughly triangular area of erythema, edema (swelling) and breakdown of skin at either corner of the mouth. [2] [4] The mucosa of the lip may become fissured (cracked), crusted, ulcerated or atrophied.
The inflammation and cracking can open the door to painful sores, she says, and you might notice more pain when you open or close your mouth. In the most severe cases, some people have a bad taste ...
Photographic Comparison of: 1) a canker sore – inside the mouth, 2) herpes labialis, 3) angular cheilitis and 4) chapped lips. [4]Chapped lips (also known as cheilitis simplex [5] or common cheilitis) [6] is characterized by the cracking, fissuring, and peeling of the skin of the lips, and is one of the most common types of cheilitis.
The commissure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip). The commissure is important in facial appearance, particularly during some functions, including smiling. As such it is of interest to dental surgeons.
There is nothing more annoying than dry, cracked corners of the mouth. Recently, I had a bout with this issue and it had me over-moisturizing my lips, to the point where it became an obsession.
Inflammation of the corners (angles) of the lips is termed angular stomatitis or angular cheilitis. In children a frequent cause is repeated lip-licking, and in adults it may be a sign of underlying iron deficiency anemia , or vitamin B deficiencies ( e.g. , B 2 - riboflavin , B 9 - folate , or B 12 - cobalamin , which in turn may be evidence ...
The commissures (corners of the mouth) are not usually involved. [2] [6] Affected individuals may experience symptoms such as a dry sensation and cracking of the lips. [7] It is usually painless and persistent. The appearance is variable. White lesions indicate hyperkeratosis. [7]
Perioral dermatitis is a rash typically around the mouth, that spares the vermilion border. [10] Cheilitis glandularis may present with a burning sensation over the vermilion border. This chronic progressive condition is associated with thinning of the skin of the lips and ulceration. [11] Infections may involve the vermilion border.