https://medixway.com/pain-relief/gabapentin/Gabapentin is a prescription medication known as a gamma aminobutyric acid (GABA) analogue. GABA reduces the excitability of nerve cells (neurons) in the brain, which play a role in seizures and the transmission of pain signals. Gabapentin mirrors the effects of GABA calming excited neurons.Gabapentin can be used in adults and children aged 3 and older who have partial seizures.