Buy Gabapentin online is a medication that is primarily used to treat epilepsy and neuropathic pain.Gabapentin works by affecting the activity of certain chemicals in the brain and nervous system, specifically the neurotransmitter gamma-aminobutyric acid (GABA). It increases the levels of GABA in the brain, which can help to reduce abnormal electrical activity that can cause seizures, as well as calm overactive nerves that can cause pain.