What causes toxic epidermal necrolysis (TEN)?

Updated: Jul 01, 2021
  • Author: Samantha P Jellinek-Cohen, PharmD, BCPS (AQ-ID); Chief Editor: Michael Stuart Bronze, MD  more...
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TEN can be induced by drugs or infection or can be idiopathic. Medications are the major precipitating cause. Numerous medications have been implicated,14 including antibiotics, antiepileptic drugs, nonsteroidal anti-inflammatory drugs (NSAIDs), ampicillin, allopurinol, corticosteroids (topical and systemic), and the antiretroviral drugs nevirapine and abacavir.1516 TEN usually occurs during the first course of therapy with a drug (ie, without sensitization).

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