
FDA informed healthcare professionals that the agency is evaluating data regarding a potentially increased risk of serious skin reactions, including Stevens Johnson syndrome and toxic epidermal necrolysis, in association with phenytoin (Dilantin, Pfizer; Phenytek, Mylan; generic phenytoin) or fosphenytoin (Cerebyx, Pfizer; generic fosphenytoin) treatment in Asian patients who are positive for the human leukocyte antigen allele HLA-B*1502.



