HLA-B and Schwartz-Jampel syndrome: Some of drug hypersensitivity reactions have shown HLA (human leukocyte antigen) genetic predisposition, e.g., HLA-B*15:02 for carbamazepine (CBZ)-induced SJS/TEN5, HLA-A*31:01 for CBZ-DRESS6, HLA-B*58:01 for allopurinol-SCAR7,8, HLA-B*13:01 for dapsone hypersensitivity9,10, and HLA-B*57:01 for abacavir hypersensitivity11,12.