Moreover, hyponatremia (e.g., due to carbamazepine or oxcarbazepine), cutaneous rash (e.g., due carbamazepine, phenytoin, or lamotrigine) and neurological side effects should be considered in the choice of ASM, especially in the case of anti-LGI1 encephalitis [3,6,87]. This evidence concerns the gene LGI1 and viral encephalitis.