PMID: 22352035Feb 23, 2012Paper

Case of drug-induced hypersensitivity syndrome due to lamotrigine: demonstration of sequential reactivation of herpesviruses

No to hattatsu. Brain and development
Tatsuharu SatoHiroyuki Moriuchi

Abstract

Drug-induced hypersensitivity syndrome (DIHS) is a rare but severe multiorgan disorder. The reactivation of human herpesvirus-6 (HHV-6) and other human herpesviruses has been reported to be associated with its pathogenesis. We herein report a case of 14-year-old female who developed DIHS during the treatment with lamotrigine, a novel antiepileptic drug. She initially presented with fever, skin rash, cervical lymphadenopathy, leukocytosis with eosinophilia and atypical lymphocytosis, liver dysfunction and hypogammaglobulinemia. Discontinuation of the drug and administration of prednisolone led to improvement;however, tapering of prednisolone and administration of midazolam and ketamine thereafter triggered clinical deterioration. She subsequently developed hyperthyroidism followed by hypothyroidism. Herpesviral loads were determined in her peripheral blood by real-time PCR during the course of the treatment, and sequential reactivation of Epstein-Barr virus (EBV), HHV-6 and cytomegalovirus was demonstrated. EBV viremia was detected throughout the course, except for a short period when HHV-6 viremia was at the peak. HHV-6 viremia developed after the secondary deterioration. Cytomegalovirus viremia appeared transiently before the ...Continue Reading

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