HLA-B and toxic epidermal necrolysis: For instance, an association was recognized between co-trimoxazole-induced DRESS and HLA-B*13:01 in the Chinese population (Wang et al., 2021), while the same HLA allele was weakly associated with co-trimoxazole-induced SJS/TEN (Kongpan et al., 2015; Wang et al., 2021).