Hypersensitivity to<unk> 
Hepatic disease
Hepatic impairment, significant
Urea cycle disorders
Mitochondrial disorder, POLG-related
Pregnancy (migraine headache prophylaxis use)
Valproic acid
Lamotrigine
Ethosuximide
Phenytoin
Valproate
Topiramate
Levetiracetam
Carbamazepine