Erythema multiforme
From Ganfyd
Web Resources for Erythema multiforme
Relevant Clinical Literature
UK Guidance
Other Wikis
Medpedia on Erythema multiforme (Less technical, good quality control)
Wikipedia on Erythema multiforme (Less technical, ? quality control)
This article is a work in progress. Please feel free to contribute to it.
Blanching maculopapular rash with well-circumscribed lesions, forming characteristic target lesions (ie central clearing, or alternating rings) which may blister.
In its severe form, there may be oral and genital ulceration: Stevens-Johnson syndrome. Usually idiopathic, but can be associated with:
- herpes simplex infection
- hepatitis B infection
- drugs esp penicillin, salicylates, phenobarbitone
- systemic lupus erythematosus
Self-limiting, typically lasting a week or two. No evidence that steroids help.
External links
- Erythema Multiforme page at DermNet NZ.
- Rash and fever chapter from "Flesh and Bones'" Kumar and Clark family.