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Cheilitis also called and known as chapped lips, is a medical condition characterized by inflammation of the lips.The inflammation may include the perioral skin (the skin around the mouth), the vermilion border, or the labial mucosa. [1]
There is also a loss of the usually sharp border between the red of the lip and the normal skin, known as the vermillion border. The lip may become scaly and indurated as AC progresses. When palpated , the lip may have a texture similar to rubbing the gloved finger along sandpaper.
Lip licker's dermatitis which is a subtype of irritant contact cheilitis is caused by an exogenous factor rather than an endogenous one. [10] Irritant contact cheilitis can be separated into different reaction types, so it is an umbrella term and further evaluations are usually needed to properly classify the presenting condition.
A venous lake (also known as phlebectasis [1]) is a generally solitary, soft, compressible, dark blue to violaceous, 0.2- to 1-cm papule commonly found on sun-exposed surfaces of the vermilion border of the lip, face and ears. [2] [3] [4] Lesions generally occur among the elderly. [5] [6]
As a consequence, the margin of the lips shows a transition between the thicker and thinner skin, represented by the vermilion border. It therefore has the appearance of a sharp line between the coloured edge of the lip and adjoining skin. [4] It has been described as a pale, white rolled border and also as being a red line. [1] [5]
[4] [5] Often the corners are red with skin breakdown and crusting. [2] It can also be itchy or painful. [2] The condition can last for days to years. [2] Angular cheilitis is a type of cheilitis (inflammation of the lips). [6] Angular cheilitis can be caused by infection, irritation, or allergies. [2]
The pathophysiology of perioral dermatitis is related to disease of the hair follicle as is now included in the ICD-11 due to be finalized in 2018. [22] Lip licker's dermatitis or perioral irritant contact dermatitis due to lip-licking is considered a separate disease categorized under irritant contact dermatitis due to saliva. [23]
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.