Neurontin is a known GABA analog with a generic name Gabapentin. Neurontin is used as an antiepileptic drug because it is a known anticonvulsant. It usually carries out its function by its effects on the nerves and chemicals found in the body which are related to the seizures seen when convulsion occurs. Neurontin is effective being used alone or when it is combined with another antiepileptic drug.