<unk>  is a anticonvulsant that is FDA approved for the treatment of absence (petit mal) epilepsy.   Common adverse reactions include anorexia, vague gastric upset, nausea and vomiting, ataxia, headache, dizziness, drowsiness.
Ethosuximide
Mesuximide
Methsuximide
Phensuximide
Levetiracetam 
Phenytoin 
Oxiracetam
Lamotrigine