Objective To study the effect of pentoxifylline(Ptx) pretreatment on the dopaminergic neurons of epilepsy rats and the participation of oxidative stress. Method The adult male Wistar rats were divided into three groups: the control group, the epilepsy group and Ptx pretreatment group(PTX group). The animals in the control group received saline(127mg·kg~(-1)) alone; animals in the epilepsy group and PTX group were induced epeleptic seizures by administering an aqueous of lithium chloride(127mg·kg~(-1)) intra...