CD8A and toxic epidermal necrolysis: This allele is a well‐known risk factor for other CD8+ T‐cell‐mediated reactions, including abacavir hypersensitivity syndrome24, 25 and flucloxacillin‐induced DILI,26 and more recently, DILI induced by two other drug combinations, pazopanib and a combination of antituberculosis and anti‐HIV drugs.27, 28 Given that the association with CBZ‐induced SJS/TEN was not genomewide significant, it needs replication in other cohorts.