Cornea
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To describe the clinical characteristics and genetic background of allopurinol-induced Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) in South Korea. ⋯ Allopurinol-induced SJS/TEN might not cause serious acute or chronic complications of the ocular surface. In addition, our HLA genotyping results are consistent with previous studies reporting a strong association between HLA-B*58:01 and allopurinol-induced SJS/TEN among Koreans.