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Skin Biopsy for Diagnosing Discoid Lupus Erythematosus
Published on: June 10, 2025
[Generalized pustulosis after leflunomide]
Sohrab Elahwiesy1, Jan-Christoph Simon2, Manfred Kunz2
1Klinik und Poliklinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Leipzig, Philipp-Rosenthal-Str. 23, 04103, Leipzig, Deutschland. Sohrab.Elahwiesy@medizin.uni-leipzig.de.
None:
Leflunomide is a an isoxazole derivative used as an immunosuppressive drug in rheumatoid arthritis and psoriatic arthritis. It is a pyrimidine synthesis inhibitor that has an inhibiting effect of tumor necrosis factor alpha (TNF α) signaling. We present a case of with generalized pustular skin lesions after intake of leflunomide, which resemble a pustular exacerbation of a pre-existing psoriasis as well as a generalized pustular psoriasis.
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