Description
Gabapentin 800 mg
Gabapentin 800 mg is a gabapentin tablet medicine. Gabapentin is an established prescription anticonvulsant and neuropathic pain medicine. The exact trade name “Gabatop” was not verified from authoritative regulatory sources, so this summary is based on the verified active ingredient, gabapentin.
Active Ingredient and Medicine Class
The active ingredient is gabapentin. It belongs to the gabapentinoid group and is commonly classified as an anticonvulsant or antiepileptic medicine. It is also used in the management of certain types of nerve pain.
Established Medical Uses
Authoritative prescribing information identifies gabapentin as a medicine used for postherpetic neuralgia in adults and as adjunctive therapy for partial-onset seizures in epilepsy, with or without secondary generalisation. European regulatory sources also recognise its use in some settings for neuropathic pain. Approved uses can vary by country and product label.
How It Works
Gabapentin does not work like GABA itself, even though its structure is related to that neurotransmitter. Scientific studies show that it binds to the alpha-2-delta subunit of voltage-sensitive calcium channels. This action is thought to reduce the release of excitatory neurotransmitters and dampen overactive nerve signalling, which helps explain its antiseizure and nerve-pain effects.
Important Safety Information
Gabapentin is contraindicated in people with known hypersensitivity to gabapentin or any ingredient in the product. Important precautions in official labeling include the possibility of suicidal thoughts or behaviour with antiepileptic medicines, respiratory depression when used with other central nervous system depressants or in patients with breathing impairment, and withdrawal-related problems if treatment is stopped too quickly. Regulatory labeling also warns about drug reaction with eosinophilia and systemic symptoms and other serious hypersensitivity reactions. Clinically significant interactions may occur with medicines that increase sedation or respiratory risk.
Possible Side Effects
Common adverse effects reported with gabapentin include dizziness, sleepiness, fatigue, unsteadiness, ataxia, and peripheral oedema. Other recognised reactions include nausea, blurred vision, and coordination problems. Serious reactions can include severe hypersensitivity, mood or behaviour changes, and breathing problems in susceptible patients or when combined with other sedating medicines.
Scientific Evidence
Randomised controlled trials have shown gabapentin can reduce pain and improve sleep interference in postherpetic neuralgia. A widely cited placebo-controlled trial found meaningful pain reduction compared with placebo. More recent review literature continues to support a role for gabapentin in focal epilepsy, although the strength of evidence and place in therapy depend on the specific condition and local prescribing guidance.
Medical Information Notice
This page is an educational summary based on sources available at the time of review. It is not a substitute for the official patient leaflet, product label, or assessment by a qualified healthcare professional.
Medical Sources
- U.S. Food and Drug Administration / DailyMed Gabapentin tablets, oral use: official prescribing information. View official label
- European Medicines Agency Neurontin and associated names: referral summary information for gabapentin. View official EMA document
- Rice A S C, Maton S; Postherpetic Neuralgia Study Group Gabapentin in postherpetic neuralgia: a randomised, double blind, placebo controlled study. Pain, 2001. View scientific article
- Ziganshina Liliya Eugenevna et al. Gabapentin monotherapy for epilepsy: A review. International Journal of Risk & Safety in Medicine, 2023. View scientific article
