Generic Name: gabapentin (GA ba PEN tin)Brand Names: Gralise, Horizant, Neurontin, Gabarone Medically reviewed by Kaci Durbin, MD Last updated on Jun 7, 2020. What is gabapentin? Gabapentin is an anti-epileptic drug, also called an anticonvulsant. It affects chemicals and nerves in the body that are involved in the cause […]