In addition to PHT, we further genotyped the CYP2C9*3 variants in 92 cases of PHT-induced cADRs and found that only 9 patients showed CYP2C9 variation (4 SJS/TEN, 4 DRESS, and 1 MPE). This evidence concerns the gene CYP2C9 and pulmonary hypertension, primary, 1.