HLA-B and Scarring: In addition to CBZ, the HLA-B*15:02 allele is also used as a risk factor for SCAR induced by other antiepileptic drugs such as OXC (Hung et al., 2010; Chen et al., 2017), PHT (Locharernkul et al., 2008), and LTG (Shi et al., 2011) (Table 1).