Hi 9 Months Ago I Was Attaked My Breathing Was

Hi 9 months ago I was attaked my breathing was restricted to loosing consciousness repeatedly then I was severely headbutted I have no memory of next few months, doctors have put me on keppra 1500mg twice a day but doctors say they have no evidence attack was cause of seizures even tonic colonic ones yet b4 attack ive never so much as fainted , my life is destroyed & because of other problems with memory & speech I carnt explain myself , no one will listen please help.