Dual Antiepileptics Induced Stevens-Johnson Syndrome: A Case Report

Abstract

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis are acute mucocutaneous reactions hallmark of which is widespread necrosis and detachment of epidermis. SJS/TEN fall under the single disease spectrum with an incidence rate of 1.0 to 6.0 per 1000000 and 0.4 to 1.2 per 1000000 respectively. Here, we present a case of a 46 years female who developed a generalized erythematous rash over her body, 26 days after being exposed to phenytoin and sodium valproate. Given the strong association between SJS and antiepileptic drugs, and the usual presentation being within the first eight weeks of exposure to susceptible medications; we diagnosed her with SJS. Phenytoin and sodium valproate was withdrawn and she was managed with antihistamines and corticosteroids. She improved significantly within 15 days of our intervention. The mortality rates for SJS and TEN are up to 10% and 30-50% respectively. Early identification of SJS, discontinuation of triggering medicines, and prompt initiation of supportive therapy improve the prognosis.