For many people who take gabapentin – a drug prescribed to treat seizures and pain caused by shingles – side effects such as sedation can be a challenge, as those who take it off-label for neuropathic pain told MedShadow in the past. Gabapentin oral capsule can cause mild or serious side effects. The following list contains some of the key side effects that may occur while taking gabapentin. Image Results for Gabapentin Below are results that match your criteria. Click on an image or generic/brand name to search for information about the drug in our database. Gabapentin (Neurontin) is an anticonvulsant medication in the GABA analog lass that was originally created to help manage epilepsy, but is also utilized to help individuals suffering from neuropathic pain. Neurontin High. For many people entering the world of nootropics and understanding these drugs, the various names can get confusing. Neurontin is the brand name for gabapentin within the United States. 2. When Did the FDA Approve Gabapentin for marketing in the United States? How Can It Be Promoted? On December 30, 1993, Gabapentin got final approval, which meant that it could be marketed in the United States. …decompression, gabapentin 600 mg within two hours prior to surgery has been associated with reduced visual analog score and opioid consumption. Gabapentin is approved by the Food and Drug Administration to treat epilepsy and pain related to nerve damage, called neuropathy. Also known by its brand name, Neurontin, the drug acts as a sedative. I take gabapentin. I switched to it from Lyrica. I did gain weight with that. The gabapentin doesn't seem any worse then my usual battle with weight. Gabapentin (Neurontin, Gralise, and others) is a prescription drug used to treat seizure disorders and nerve damage from shingles. Off label uses (non-FDA approved) include fibromyalgia, headaches, and hot flashes. Common side effects are fatigue, nausea, hostility, dizziness, and tremors.