Gabapentin capsules are used for
Treating certain types of seizures associated with epilepsy when used along with other medicines. It may also be used for treating nerve pain associated with herpes zoster (shingles) infection (postherpetic neuralgia). It may also be used for other conditions as determined by your doctor.
Gabapentin capsules are an anticonvulsant. Exactly how it works to prevent seizures and treat nerve pain is not known.