Gabapentin

Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication primarily used to treat partial seizures and neuropathic pain.[5][6] It is a first-line medication for the treatment of neuropathic pain caused by diabetic neuropathy, postherpetic neuralgia, and central pain.[7] It is moderately effective: about 30-40% of those given gabapentin for diabetic neuropathy or postherpetic neuralgia have a meaningful benefit... [wikipedia]