CYP1A2 and Bilateral tonic-clonic seizure: An increased tardive dyskinesia severity was observed in patients with the A allele of the CYP1A2*1C polymorphism and in another study with CYP1A2 (C→A) [9,10], while the CYP1A2 −163C > A polymorphism is associated with clozapine-induced generalized tonic-clonic seizures [11].