Allopurinol-Induced Stevens-Johnson Syndrome.

Am J Med Sci

Department of Critical Care Medicine, Maimonides Medical Center, Brooklyn, New York.

Published: April 2019

AI Article Synopsis

  • Allopurinol is commonly used to treat gout but can lead to severe side effects like Stevens-Johnson syndrome (SJS), a serious skin reaction.
  • The severity of SJS is classified based on the body surface area affected, ranging from mild erythema multiforme to life-threatening toxic epidermal necrolysis.
  • A case is reported of an 85-year-old woman who developed SJS after taking allopurinol, complicated by a viral illness that resulted in acute renal failure.

Article Abstract

Allopurinol is a first line agent in treating gout, but it also carries the risk of severe side effects. Stevens-Johnson syndrome (SJS) is one of the life threatening severe cutaneous adverse reactions caused by allopurinol. The severity of the severe cutaneous adverse reactions can be categorized based upon the area of skin involvement: (1) erythema multiforme major limited to 1-2 % of the body surface area (BSA); (2) SJS involving <10% of the BSA, (3) SJS and toxic epidermal necrolysis overlap involving 10-30% of the BSA and (4) toxic epidermal necrolysis syndrome involving >30% of the BSA. SJS can be caused by drugs and viruses, the former being more frequent. We report a case of an 85-year-old Han-Chinese female who developed SJS after ingestion of allopurinol 8 days prior to the hospitalization. The patient also had concomitant acute viral illness, which complicated the clinical scenario causing acute renal failure and hemodynamic compromise.

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Source
http://dx.doi.org/10.1016/j.amjms.2018.11.018DOI Listing

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