Violation

All the following are classified as antiepileptics EXCEPT one. Which one is the.EXCEPIlON?

Propafenone (Rythmol)

Gabapentin (Neurontin)

Carbamazepine (Tegretol)

Phenytoin (Dilantin)

Phenobarbital (Luminal)

Diazepam (Valium)

Vaplroic acid (Depakene)

Ethosuximide (Zarontin)

Primidone (Mysoline)

Please describe the matter of abuse