Lichen planus and lichenoid reactions of oral mucosa (Q43915): Difference between revisions

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+August 2026Timestamp +2026-08-13T00:00:00Z
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@@ Property / Collection date: 13 August 2026 / rank @@
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+L43
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Latest revision as of 11:08, 13 August 2026

Oral lichenoid reactions represent a common end point in response to extrinsic agents (drugs, allergens), altered self-antigens, or superantigens. Clinical presentation can vary from asymptomatic white reticular striae to painful erythema and erosions. Cutaneous and mucosal involvement of other sites is common. Although oral lichen planus is by definition idiopathic, oral lichenoid reactions may be caused by medications or exogenous agents such as cinnamates and other flavourings.

Language	Label	Description	Also known as
default for all languages	EA91.4
English	Lichen planus and lichenoid reactions of oral mucosa	Oral lichenoid reactions represent a common end point in response to extrinsic agents (drugs, allergens), altered self-antigens, or superantigens. Clinical presentation can vary from asymptomatic white reticular striae to painful erythema and erosions. Cutaneous and mucosal involvement of other sites is common. Although oral lichen planus is by definition idiopathic, oral lichenoid reactions may be caused by medications or exogenous agents such as cinnamates and other flavourings.