any comment

hi..i am mother of 20 month old baby,his got seizure since he's 3 months old,now his took 3 kinds medicine which is could not stop his seizure.my doctor in indonesia suggest for doing Vagus nerve stimulation.i just wondering if or somebody already doing this ??? i want to konow more information about that.in our country,epilepsy some people unpleasent to tell.i don't konw why ???but i found a good doctor here for gave my son right medicine but still the seizure still come.i just hopeless everytime my son seizure.but EEG,CT-san,MRI everything was NORMAL,the brain was good. so what's wrong w my son ??? for now the diagonis still epilepsy.how come does every comes normal but the real doesn't ?? please,i need anybody help for that things information. thanks sary,indonesia.