Differential Diagnosis of Erythema Multiforme

Differential Diagnosis of Erythema Multiforme
Bullous pemphigoid - Pruritic, erythematous plaques with tense bullae; with or without mucosal involvementPubMed MedlinePlus AAFP
Fixed drug eruption - Few, well-circumscribed erythematous plaques with medication historyPubMed MedlinePlus AAFP
Hypersensitivity reaction - Morbilliform eruption most commonly found on the upper extremities, trunk, facePubMed MedlinePlus AAFP
Paraneoplastic pemphigus - Polymorphous, erythematous mucocutaneous lesions, including papules, bullae, and erosive lesions; presence of underlying malignancyPubMed MedlinePlus AAFP
Pityriasis rosea - Scaly, erythematous plaques following herald patch formation on trunkPubMed MedlinePlus AAFP
Polymorphous light eruption - Erythematous papules and plaques in areas exposed to sunlightPubMed MedlinePlus AAFP
Stevens-Johnson syndrome - Atypical macular target lesions with central dusky erythema, bullae; several mucosal involvements at one or more sitesPubMed MedlinePlus AAFP
Urticaria - Pruritic, sharply demarcated papules/plaques; transient, usually lasting less than 24 hoursPubMed MedlinePlus AAFP
Viral exanthema - Diffuse maculopapular rash, palatal petechiae; with or without systemic findings such as lymphadenopathy or splenomegalyPubMed MedlinePlus AAFP

Differential Diagnosis of Erythema Multiforme

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