Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication primarily used to treat partial seizures and neuropathic pain. It is a first-line medication for the treatment of neuropathic pain caused by diabetic neuropathy, postherpetic neuralgia, and central pain.It is moderately effective: about 30–40% of those given gabapentin for diabetic neuropathy or postherpetic neuralgia have a meaningful benefit.
Usual Aduld Dose for Postherpetic Neuralgia:
Day 1: 300 mg orally once
Day 2: 300 mg orally 2 times day
Day 3: 300 mg orally 3 times a day
Titrate dose as needed for pain relief
Maintenance dose: 900 to 1800 mg/day orally in 3 divided doses
Maximum dose: 1800 mg per day