“…[59,[157][158][159][160][161][162][163][164][165][166] Less frequent are diplopia (2-26%), ataxia (2-14%), abnormal vision (10-15%), tremor (10-12%), abnormal gait (10%), nystagmus (10%), abnormal or difficult thinking (2-5%) and memory problems (3%). [59,162,163,[165][166][167][168] Most study discontinuations are secondary to somnolence and seizures. Fatigue is reported in 0.4-39%.…”