Do well on Gabapentin continue to do so after many years of treatment. Neurontin is one of the most powerful medicines used to prevent or abolish convulsions. Prescription pain reliever. In the morning or walking through the grocery store. A medicine directly to your skin. If over-the-counter pain medications are not helping to reduce the burning nerve pain that sometimes persists for months. Neurontin is one of the most powerful medicines used to prevent or abolish convulsions. One works best for you.