Product image of Neurontin (Gabapentin) supplied by GNH India

Neurontin

Active Ingredient:
Gabapentin
Origin:
EU

Neurontin (Gabapentin)

Gabapentin, the active ingredient in Neurontin, is a gabapentinoid presented as an oral tablet for oral use. It is employed to manage certain seizure types and neuropathic pain conditions in adult patients. The medication works by modulating calcium channel activity, which helps reduce abnormal neuronal firing associated with seizures and pain.

GNH India supplies Neurontin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory‑approved batches for global distribution.

Manufacturer / TM Owner

Viatris Up

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Indications & Clinical Uses

Gabapentin is used to treat neurological disorders and neuropathic pain conditions.

  • Partial seizures: reduces seizure frequency in adults.
  • Post‑herpetic neuralgia: alleviates chronic pain following shingles.
  • Diabetic peripheral neuropathic pain: eases burning and tingling sensations.
  • Restless legs syndrome: diminishes uncomfortable leg sensations and the urge to move.

How It Works

  • Gabapentin binds selectively to the α2‑δ subunit of voltage‑gated calcium channels in the central nervous system. This binding decreases calcium influx into neurons, leading to reduced release of excitatory neurotransmitters such as glutamate, norepinephrine and substance P, thereby dampening abnormal neuronal excitability that underlies seizures and neuropathic pain.

Side Effects

Common side effects are generally mild and may resolve with continued therapy.

Common Side Effects

  • Dizziness
  • Somnolence
  • Peripheral edema
  • Fatigue
  • Nausea
  • Weight gain

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome or toxic epidermal necrolysis
  • Anaphylactic reactions
  • Suicidal thoughts or behavior
  • Respiratory depression, especially with CNS depressants
  • Angioedema
  • Severe blood dyscrasias such as agranulocytosis

Precautions & Warnings

Before initiating therapy, consider the following safety measures.

  • Renal impairment: adjust dose based on creatinine clearance.
  • Pregnancy: risk unknown; prescribe only if benefit outweighs potential harm.
  • Elderly patients: monitor for increased CNS sensitivity.
  • Concomitant CNS depressants: watch for additive sedation.
  • Avoid abrupt discontinuation: taper gradually to prevent withdrawal symptoms.
  • Store at ambient temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Gabapentin may interact with several medicines; assess the clinical relevance before co‑administration.

Major Interactions (Avoid)

  • Antacids containing aluminum or magnesium: reduce gabapentin absorption.
  • Opioids: increased risk of respiratory depression.
  • CNS depressants (e.g., benzodiazepines, alcohol): enhanced sedation and dizziness.

Moderate Interactions (Monitor Closely)

  • Diuretics: may raise gabapentin plasma concentrations.
  • ACE inhibitors: potential for additive hypotensive effect.
  • Other anticonvulsants (e.g., carbamazepine): may lower gabapentin efficacy.

Frequently Asked Questions

Neurontin (gabapentin) is prescribed for partial seizures, post‑herpetic neuralgia, diabetic peripheral neuropathic pain, and restless legs syndrome. These indications involve abnormal neuronal activity that the drug helps to stabilize, providing seizure control or pain relief depending on the condition.

Gabapentin binds to the α2‑δ subunit of voltage‑gated calcium channels in the central nervous system. This reduces calcium entry into neurons, which in turn lowers the release of excitatory neurotransmitters such as glutamate and substance P, dampening abnormal neuronal firing that contributes to seizures and neuropathic pain.

The appropriate dose of Neurontin is individualized by the prescribing clinician based on the specific indication, patient age, renal function and treatment response. Healthcare providers determine the starting dose and any titration schedule, so patients should follow the prescriber’s written instructions.

The pregnancy safety category for gabapentin is not definitively established. It should be used during pregnancy only when the potential benefit justifies any potential risk to the fetus. Gabapentin is excreted in breast milk; therefore, breastfeeding mothers should discuss potential risks and benefits with their healthcare professional.

To place an order, visit the product page on gnhindia.com, enter the required quantity and submit the enquiry form. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.

Both gabapentin and pregabalin belong to the gabapentinoid class and share a similar mechanism of binding to the α2‑δ calcium‑channel subunit. Pregabalin generally has higher bioavailability and may require lower doses, while gabapentin often needs dose titration and may have more variable absorption. Choice between them depends on clinical response, tolerability, cost and prescriber preference.

Neurontin tablets should be stored at ambient temperature, below 25 °C, in their original container to protect from moisture and light. Keep the product out of reach of children and do not use after the expiration date printed on the packaging.

Neurontin is taken orally as a tablet. Patients should swallow the tablet whole with a full glass of water. It may be taken with or without food, but consistent timing with respect to meals can help maintain steady drug levels. The prescribing clinician will provide specific instructions on frequency and timing.

Serious adverse reactions, although rare, include severe skin reactions such as Stevens‑Johnson syndrome, anaphylaxis, suicidal thoughts or behaviors, respiratory depression (especially when combined with other CNS depressants), angioedema, and significant blood disorders like agranulocytosis. Patients should seek immediate medical attention if any of these symptoms occur.

Neurontin should not be used by individuals with known hypersensitivity to gabapentin or any of its excipients. Caution is advised in patients with severe renal impairment, as dose adjustment may be required, and in those with a history of suicidal ideation. Pregnant or breastfeeding women should only use it when clearly indicated by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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