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Angular cheilitis is thought to be a multifactorial disorder of infectious origin, [10] with many local and systemic predisposing factors. [11] The sores in angular cheilitis are often infected with fungi (yeasts), bacteria, or a combination thereof; [8] this may represent a secondary, opportunistic infection by these pathogens.
Cheilitis is a general term, and there are many recognized types and different causes. According to its onset and course, cheilitis can be either acute or chronic. [2] Most cheilitis is caused by exogenous factors such as dryness (chapping) and acute sun exposure. [2] Allergic tests may identify allergens that cause cheilitis. [3]
Plummer–Vinson syndrome (also known as Paterson–Kelly syndrome [1] or Paterson–Brown-Kelly syndrome in the UK [2]) is a rare disease characterized by dysphagia (difficulty swallowing), iron-deficiency anemia, glossitis (inflammation of the tongue), cheilosis (cracking at the corners of the mouth), and esophageal webs (thin membranes in the esophagus that can cause obstruction). [1]
Actinic cheilitis is cheilitis (lip inflammation) caused by long term sunlight exposure. Essentially it is a burn, [2] and a variant of actinic keratosis which occurs on the lip. [5] It is a premalignant condition, [6] as it can develop into squamous cell carcinoma (a type of mouth cancer).
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Oropouche virus, which was named after the village in Trinidad where it was first identified in 1955, is a virus that causes symptoms like fever, headache, joint pain and rash. Less common ...
The virus moves from the mouth to remain latent in the central nervous system. In approximately one-third of people, the virus can "wake up" or reactivate to cause disease. When reactivation occurs, the virus travels down the nerves to the skin where it may cause blisters (cold sores) around the lips or mouth area. [25]
Bird flu is a disease caused by infection with avian influenza type A viruses. Avian influenza A viruses occur naturally among wild aquatic birds, such as geese, ducks and swans, Schaffner said ...