Gabapentin
Gabadal, Gabapentin, Ganep, Neurontin · ATC code N02BF01
Brand names: Gabadal, Ganep, Neurontin, Gabagamma, Gabaliquid Geriasan, Gabapentina Ipca, Gabaset, Gabarone
- Key facts
- Active substance
- Gabapentin
- ATC code
- N02BF01
- Authorisation
- authorised nationally; no central EU authorisation
- Information as of
- 2026-10-27
Key facts
Gabapentin is an antiepileptic drug. Per the US label it is used for postherpetic neuralgia and as adjunctive therapy for partial onset seizures.
What it is used for
- Postherpetic neuralgia in adults
- Adjunctive therapy for partial onset seizures, with and without secondary generalization, in adults and pediatric patients 3 years and older with epilepsy
Dosing
- Postherpetic neuralgia (adults): Day 1 a single 300 mg dose, Day 2 600 mg/day (300 mg twice daily), Day 3 900 mg/day (300 mg three times daily); then titrate as needed up to 1800 mg/day (600 mg three times daily)
- Epilepsy, 12 years and above: start 300 mg three times a day; maintenance 300 mg to 600 mg three times a day; no more than 12 hours between doses
- Epilepsy, children 3 to 11 years: start 10 mg/kg/day to 15 mg/kg/day in three divided doses; maintenance 40 mg/kg/day (3 to 4 years) or 25 mg/kg/day to 35 mg/kg/day (5 to 11 years)
- Renal impairment or hemodialysis (12 years and older): reduced dosing by creatinine clearance per the label table, with a supplemental dose after hemodialysis
Contraindications
- Hypersensitivity to gabapentin or its ingredients
Important warnings
- DRESS/multiorgan hypersensitivity, sometimes fatal; evaluate fever, rash or lymphadenopathy immediately and discontinue if no alternative cause is found
- Anaphylaxis and angioedema
- Somnolence, sedation and dizziness
- Suicidal behavior and ideation, as with other antiepileptic drugs
- Do not stop abruptly (increased seizure frequency, withdrawal symptoms); taper over at least one week
- Serious, life-threatening respiratory depression with CNS depressants such as opioids or with underlying respiratory impairment
Side effects
- Postherpetic neuralgia: most common were dizziness, somnolence and peripheral edema
- Epilepsy trials (over 12 years): somnolence 19% vs 9% on placebo, dizziness 17% vs 7%, ataxia 13% vs 6%
- Serious: DRESS, anaphylaxis, status epilepticus, respiratory depression; neuropsychiatric reactions in children 3 to 12 years
Interactions
- Opioids (e.g., morphine, hydrocodone, oxycodone, buprenorphine): respiratory depression and sedation, sometimes fatal
- Hydrocodone: gabapentin decreases hydrocodone exposure
- Antacids with aluminum/magnesium hydroxide (Maalox) reduce bioavailability by about 20%; take gabapentin at least 2 hours after
- False positive urinary protein dipstick readings possible
Pregnancy and breastfeeding
- Pregnancy: cohort data have not indicated an increased risk of major birth defects or miscarriage, with methodological limitations; developmental toxicity in animals
- Lactation: gabapentin is secreted in human milk; effects on the breastfed infant are unknown
Summary of the official product information, written with AI (Claude, Anthropic) on 2026-10-28. Every number was checked automatically against the original text. Not reviewed by a physician – the full official text is authoritative.
Common questions – ask Medelix
For patients
Patient information (US)
Authorisation and brand names by country
Medicines with exactly this active-substance composition, as listed in the national registers – alphabetical and without ranking. Whether a product is currently available is not shown here.
Austria
- GabadalPharmaselect International Beteiligungs Gmbh · 1 register entry
- Gabapentin1a Pharma Gmbh, Fairmed Healthcare Gmbh, Teva B.V, Actavis Group Ptc Ehf., Glenmark Arzneimittel Gmbh, +pharma Arzneimittel Gmbh, Viatris Healthcare Limited, Accord Healthcare B.V., Sandoz Gmbh, Hexal Pharma Gmbh · 12 register entries
- GanepG.L. Pharma Gmbh · 1 register entry
- NeurontinViatris Healthcare Limited · 1 register entry
Source: EMA – Article 57 product data (EU/EEA), as of 2026-10-28
Germany
- GabagammaWörwag Pharma Gmbh & Co. Kg · 1 register entry
- Gabaliquid GeriasanInfectopharm Arzneimittel Und Consilium Gmbh, De, Heppenheim · 1 register entry
- Gabapentin1 A Pharma Gmbh, Micro Labs Gmbh, Ratiopharm Gmbh, Puren Pharma Gmbh & Co. Kg, Glenmark Arzneimittel Gmbh, Tillomed Pharma Gmbh, Heumann Pharma Gmbh & Co. Generica Kg, Holsten Pharma Gmbh, Fairmed Healthcare Gmbh, Viatris Pharma Gmbh, Amarox Pharma Gmbh, Aristo Pharma Gmbh (Art 57), Ascend Gmbh, Axunio Pharma Gmbh, Basics Gmbh, Hexal Ag, Stadapharm Gmbh, Betapharm Arzneimittel Gmbh, Ipca Productos Farmaceuticos Unipessoal Lda, Teva Gmbh, Aaa-Pharma Gmbh, Abz-Pharma Gmbh, Aliud Pharma Gmbh · 24 register entries
- Gabapentina IpcaIpca Productos Farmaceuticos Unipessoal Lda · 1 register entry
- NeurontinViatris Pharma Gmbh · 1 register entry
Source: EMA – Article 57 product data (EU/EEA), as of 2026-10-28
Turkey
- GabasetBİOFARMA İLAÇ SAN. VE TİC. A.Ş. · 5 register entries
Source: TİTCK – Ruhsatlı Beşeri Tıbbi Ürünler Listesi, as of 2026-10-16
USA
- GabaroneINA Pharmaceutics Inc. · 1 register entry
Source: U.S. FDA – Drug labels (openFDA/DailyMed), as of 2026-10-28
Brand names in 27 more European countries
- Belgium
- Gabapentin Sandoz, Gabapentine Eg, Gabapentine Sandoz, Gabapentine Teva, Neurontin
- Bulgaria
- Габагамма Gabagamma, Неуронтин
- Croatia
- Katena, Neurontin
- Cyprus
- Gabantin, Gabapentin Accord, Gabenil, Neurontin
- Czechia
- Gabagamma, Gabanox, Gabapentin Teva, Gapenar, Gasenlan, Gordius, Grimodin, Neurontin
- Denmark
- Gabamed, Gabapenstad, Gabapentin "sandoz", Gabapentin Accord, Gabapentin Actavis, Gabapentin Orifarm, Gabapentin Orion, Gabapentin Stada, Gabapentin Strides, Gabapentin Teva, Gabapentin Viatris, Gabaratio, Neurisol, Neurontin
- Estonia
- Gabagamma, Gabapentin Accord, Gabapentin Strides, Gabapentin Teva, Gamanea, Garlimo Orion, Neurontin
- Finland
- Gabapentin Accord, Gabapentin Actavis, Gabapentin Orion, Gabapentin Ratiopharm, Gabapentin Sandoz, Gabapentin Strides, Gabrion, Neurisol, Neurontin
- France
- Gabapentin Teva, Gabapentine Arrow Generiques, Gabapentine Biogaran, Gabapentine Cristers Pharma, Gabapentine Eg Labo, Gabapentine Evolugen, Gabapentine Sandoz, Gabapentine Teva, Gabapentine Upsa, Gabapentine Viatris, Gabapentine Zentiva, Gabapentine Zydus, Neurontin
- Greece
- Elpichoc, Gabantin, Gabental, Girem, Medivapom, Neurontin
- Hungary
- Gabagamma, Garonoan, Gordius, Grimodin, Neurontin
- Iceland
- Gabagen, Gabapentin Pcd, Gabapentin Sandoz, Gabapentin Teva, Gabapentin Viatris, Neurisol, Neurontin
- Ireland
- Gabapentin Accord, Gabapentin Auro, Gabapentin Gabapentin Rosemont, Gabapentin Thame, Gabin, Neurontin, Neurostil
- Italy
- Gabapentin Abc, Gabapentin Almus, Gabapentin Alter, Gabapentin Aurobindo, Gabapentin Doc Generici, Gabapentin Eg, Gabapentin Hexal A/S, Gabapentin Mylan Generics, Gabapentin Pensa, Gabapentin Sandoz Gmbh, Gabapentin Tecnigen, Gabapentin Teva, Gabapentin Zentiva, Neurontin
- Latvia
- Gabagamma, Gabapentin Aurobindo, Gabapentin Sanoswiss, Gabapentin Strides, Gabapentin Teva, Garlimo, Gasenlan, Gordius, Neurontin
- Lithuania
- Gabagamma, Gabapentin Accord, Gabapentin Ipca, Gabapentin Sanoswiss, Gabapentin Strides, Gabapentin Teva, Gamanea, Garlimo, Gordius
- Luxembourg
- Gabapentine Eg, Neurontin
- Malta
- Gabapentin Ascend, Gabapentin Aurobindo, Gabapentin Thame
- Netherlands
- Gabapentin Aurobindo, Gabapentine Accord, Gabapentine Amarox, Gabapentine Focus, Gabapentine Glenmark, Gabapentine Mylan, Gabapentine Sandoz, Gabapentine Strides, Gabapentine Teva, Gabapentine Viatris, Neurontin
- Norway
- Gabapentin Strides, Gabapentin Teva, Gatonin, Neurisol, Neurontin, Shaktatin
- Poland
- Epigapent, Gabapentin Aurovitas, Gabapentin Teva, Gabapentingabapentyna Teva, Gabapentyna Teva, Neurontin
- Portugal
- Gabamox, Gabapentin Ratiopharm, Gabapentina Almus, Gabapentina Alter, Gabapentina Aurobindo, Gabapentina Aurovitas, Gabapentina Ciclum, Gabapentina Farmoz, Gabapentina Gabamox, Gabapentina Generis, Gabapentina Ipca, Gabapentina Mer, Gabapentina Mylan, Gabapentina Pharmakern, Gabapentina Ratiopharm, Gabapentina Teva, Gabapentina Tolife, Gabapentina Vitória, Neurontin, Sasivan
- Romania
- Gabagamma, Gabalept, Gabapentin Arena, Gabapentină Teva, Gabaran, Grimodin
- Slovakia
- Gabagamma, Gabapentin Glenmark, Gabapentin Teva, Gabapentin Vipharm, Gapenar, Gasenlan, Grimodin
- Slovenia
- Neurontin
- Spain
- Gabapentin Strides, Gabapentina Almus, Gabapentina Alter, Gabapentina Aurovitas, Gabapentina Cinfa, Gabapentina Combix, Gabapentina Kern Pharma, Gabapentina Normon, Gabapentina Ratiopharm, Gabapentina Sandoz, Gabapentina Stada, Gabapentina Stadafarma, Gabapentina Tarbis, Gabapentina Tecnigen, Gabapentina Teva, Gabapentina Tevagen, Gabapentina Viso Farmacéutica, Gabapentine Tarbis Farma, Neurontin
- Sweden
- Gabapentin, Neurisol, Neurontin, Shaktatin
EMA – Article 57 product data (EU/EEA), 2026-10-28
Medelix receives no money from pharmaceutical companies. Brand names are listed alphabetically and without ranking.
Other substances in the same group
Another question about this substance?
Medelix answers clinical questions from guidelines, studies and product information – every claim with its source.
Sources
- U.S. Food and Drug Administration. Gabapentin (Amici Pharma, Inc.) – Prescribing Information, 2026-05-19. DailyMed (NLM), 2026-10-27. https://dailymed.nlm.nih.gov/dailymed/lookup.cfm?setid=1ea83c18-7107-41f4-8305-62725c1c45c8
- EMA – Article 57 product data (EU/EEA), 2026-10-28. https://www.ema.europa.eu/en/human-regulatory-overview/post-authorisation/data-medicines-iso-idmp-standards-post-authorisation/public-data-article-57-database
- EMA – Article 57 product data (EU/EEA), 2026-10-28. https://www.ema.europa.eu/en/human-regulatory-overview/post-authorisation/data-medicines-iso-idmp-standards-post-authorisation/public-data-article-57-database
- TİTCK – Ruhsatlı Beşeri Tıbbi Ürünler Listesi, 2026-10-16. https://www.titck.gov.tr/dinamikmodul/85
- U.S. FDA – Drug labels (openFDA/DailyMed), 2026-10-28. https://dailymed.nlm.nih.gov/dailymed/
Editorial: Medelix editorial team · last updated 2026-10-27 · How these pages are made · Report an error
Source: U.S. Food and Drug Administration (FDA), prescribing information, via DailyMed (NLM); public domain. Not advertising, not a treatment recommendation. For questions about your own treatment, ask your doctor or pharmacist.