Erythema multiforme: Difference between revisions
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(Created page with "== Background == * Now considered a separate entity from Stevens-Johnson syndrome * More common in young adults, but can develop at any age * Classified as either: ** Minor: localized eruption with mild or no mucosal involvement ** Major: skin and mucosal erosions of raised atypical target lesions === Etiologies === * Drugs ** Antimicrobials *** Penicillins *** Tetracyclines *** Sulfonamides *** Azithromycin *** Antiretrovirals, particularly ...") |
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* Mucosal involvement of oral cavity is common |
* Mucosal involvement of oral cavity is common |
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** Tongue, palate, buccal mucosa, and gingiva are all commonly involved |
** Tongue, palate, buccal mucosa, and gingiva are all commonly involved |
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[[Category:Dermatology]] |
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Revision as of 17:02, 2 November 2022
Background
- Now considered a separate entity from Stevens-Johnson syndrome
- More common in young adults, but can develop at any age
- Classified as either:
- Minor: localized eruption with mild or no mucosal involvement
- Major: skin and mucosal erosions of raised atypical target lesions
Etiologies
- Drugs
- Antimicrobials
- Antiepileptics
- Others
- Infections
- Herpes simplex virus, types 1 and 2
- Mycoplasma pneumoniae
- Histoplasmosis
- Tuberculosis
Clinical Manifestations
- Asymptomatic, erythematous discrete macules and papules
- Lesions may have target, iris, or bullseye appearance
- Most common on hands, wrists, and ankles
- Mucosal involvement of oral cavity is common
- Tongue, palate, buccal mucosa, and gingiva are all commonly involved
