Buy Gabapentin Online, Gabapentin is a medication used to manage and prevent seizures from happening. It also relieves nerve pain associated with shingles. It comes in an oral capsule, immediate-release tablet, extended-release tablet, and an oral solution. In managing partial seizures and postherpetic neuralgia with gabapentin, it is often used in combination with other medications. Gabapentin manages seizures by decreasing abnormal excitement in the brain.