Gabapentin is a prescription medicine used to treat seizures, pain after shingles, restless legs syndrome, and off-label uses. Learn about side effects, dosage, uses, warnings, interactions, and brand differences. Gabapentin is available as a tablet, capsule, or liquid that you swallow. What is gabapentin used for? Gabapentin is commonly used to treat and prevent seizures in people with epilepsy or to. Gabapentin is used to help control partial seizures (convulsions) in the treatment of epilepsy. This medicine cannot cure epilepsy and will only work to control seizures for as long as you continue to take it. While it can be highly effective and even life-changing for some, gabapentin can also cause side effects, carry risks and is sometimes misused. Learn about gabapentin (Neurontin) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Learn what side effects to watch for, drugs to avoid while taking gabapentin, how to take gabapentin and other important questions and answers. Gabapentin is available in both branded and generic forms. In the US, gabapentin is indicated for the treatment of postherpetic neuralgia and as an adjunctive therapy in the treatment of partial-onset seizures without secondary generalization in people with epilepsy. [7].