HLA-B*5801 confers a risk of allopurinol-induced serious skin reactions like SJS/TEN and DRESS. Should be seriously considered in patients of south Asian ancestry.

Duzallo is allopurinol and lesinurad (see separate entry).

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Page last updated 02/27/2025

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Incidence

<1% 1‑5% 5‑10% 10‑15% 15‑20% 20‑30% >30%

Seriousness

Hospitalization possible
Life threatening
Fatal

Warnings in other populations

BreastfeedingBreast feeding

GeriatricGeriatric

PediatricPediatric