Epilepsy, Idiopathic Generalized 11, also known as epilepsy, idiopathic generalized, susceptibility to, 11, is related to hemorrhagic cystitis and neonatal abstinence syndrome. An important gene associated with Epilepsy, Idiopathic Generalized 11 is CLCN2 (Chloride Voltage-Gated Channel 2). Affiliated tissues include brain.