Background: Drug-induced hypersensitivity syndrome (DIHS), also called drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome, is a potentially fatal drug-induced hypersensitivity reaction that is characterized by a cutaneous eruption, multiorgan involvement, viral reactivation, and hematologic abnormalities.

Case Presentation: We present a case of lamotrigine-associated DIHS/DRESS complicated by an unusually prolonged course requiring oral corticosteroids and narrow-band ultraviolet B treatment and with development of extensive alopecia areata and autoimmune thyroiditis.

Conclusions: DIHS/DRESS is a severe cutaneous adverse reaction that may require prolonged treatment until symptoms resolve. Oral corticosteroids are the mainstay of treatment, but long-term use is associated with significant adverse effects. Alternative therapies, such as cyclosporine, look promising, but further studies are needed to determine safety profile and efficacy. DIHS/DRESS patients also should be educated and followed for potential autoimmune sequelae.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9652029PMC
http://dx.doi.org/10.12788/fp.0289DOI Listing

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