Gabapentin calms overactive nerve signals by blocking calcium channels. Learn what it treats, how dosing works, and what side effects to expect. Gabapentin may cause vision changes, clumsiness, unsteadiness, dizziness, drowsiness, sleepiness, or trouble with thinking. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are not alert, well-coordinated, or able to think or see well. Gabapentin, available in both branded and generic forms, is used to treat partial seizures, postherpetic neuralgia following shingles and restless legs syndrome. Find patient medical information for Gabapentin (Gralise, Neurontin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Discover what type of pain gabapentin may work best for, its risks and side effects, and who may want to try it. Gabapentin is a prescription medicine used to treat nerve pain, seizures, restless legs syndrome, and other conditions. Learn about side effects, dosage, uses, warnings, interactions, and brand differences. Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication used to treat neuropathic pain and partial seizures of epilepsy. [11][7] Gabapentin is a central nervous system (CNS) depressant and derivative of the inhibitory neurotransmitter GABA. [7] It is used for the treatment of neuropathic pain caused by diabetic neuropathy, postherpetic neuralgia, and. Why is gabapentin good? One of gabapentin's greatest strengths is treating neuropathic pain, which usually does not respond well to common pain relievers like acetaminophen or ibuprofen. Gabapentin 100 mg calms overactive nerve signals. Learn how this low starting dose works, what it treats, and what side effects to expect. You can review in-depth information about gabapentin's controlled status in the U.S. here: Is gabapentin considered a controlled substance or narcotic? What type of pain does gabapentin treat? Gabapentin (Gralise) is approved by the FDA to treat: Postherpetic neuralgia: nerve pain that can occur due to an outbreak of shingles.