Product image of Neurontin (Gabapentin) supplied by GNH India

Neurontin

Active Ingredient:
Gabapentin
Origin:
EU

Neurontin (Gabapentin)

Gabapentin, the active ingredient in Neurontin, is an anticonvulsant presented as an oral tablet for oral use. It treats partial seizures, postherpetic neuralgia, diabetic peripheral neuropathic pain and restless legs syndrome in adult patients across the European Union market.

GNH India supplies Neurontin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Viatris Healthcare Limited

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Indications & Clinical Uses

  • Neurontin (gabapentin) is employed to manage neurological pain and seizure disorders.
  • Partial seizures: Reduces the frequency and severity of focal seizures.
  • Postherpetic neuralgia: Alleviates chronic pain following shingles infection.
  • Diabetic peripheral neuropathic pain: Decreases pain intensity in diabetic neuropathy.
  • Restless legs syndrome: Improves uncomfortable sensations and urges to move the legs.

How It Works

  • Gabapentin binds to the α2δ subunit of voltage‑gated calcium channels in the central nervous system, decreasing calcium influx and thereby reducing the release of excitatory neurotransmitters such as glutamate, norepinephrine and substance P. This modulation dampens neuronal hyper‑excitability, which underlies its anticonvulsant and analgesic effects.

Side Effects

Common Side Effects

  • Dizziness: Sensation of light‑headedness or unsteadiness.
  • Somnolence: Excessive sleepiness or fatigue.
  • Peripheral edema: Swelling of the lower limbs.
  • Visual disturbances: Blurred vision or double vision.

Serious or Rare Side Effects

  • Severe allergic reaction: Rash, swelling, or difficulty breathing.
  • Suicidal thoughts: New or worsening depression or suicidal ideation.
  • Acute respiratory depression: Marked breathing difficulty, especially when combined with CNS depressants.

Precautions & Warnings

Neurontin should be used with caution in patients with renal impairment, as dosage adjustment may be required.

  • Pregnancy: Safety not established; discuss risks with a healthcare professional.
  • Breastfeeding: Gabapentin may be excreted in breast milk; evaluate benefits versus risks.
  • CNS depression: Avoid alcohol and other sedatives that may enhance drowsiness.
  • Withdrawal: Do not discontinue abruptly; taper under medical supervision.
  • Store at ambient temperature: Keep below 25 °C in the original container, protected from moisture and light.

Avoid Interactions

Potential drug interactions can affect efficacy or increase adverse effects.

Major Interactions (Avoid)

  • Antacids containing aluminum or magnesium: Reduce gabapentin absorption.
  • Opioids: Heightened risk of respiratory depression and sedation.

Moderate Interactions (Monitor Closely)

  • CNS depressants (e.g., benzodiazepines): May increase dizziness and somnolence.
  • Diuretics: May enhance risk of peripheral edema.
  • Anticonvulsants (e.g., carbamazepine): May lower gabapentin plasma levels.

Frequently Asked Questions

Neurontin is prescribed for partial (focal) seizures, postherpetic neuralgia, diabetic peripheral neuropathic pain, and restless legs syndrome. It helps control seizure activity and reduces chronic neuropathic pain associated with these conditions.

Gabapentin binds to the α2δ subunit of voltage‑gated calcium channels in the central nervous system, limiting calcium entry into neurons. This reduces the release of excitatory neurotransmitters, thereby decreasing neuronal hyper‑excitability that contributes to seizures and neuropathic pain.

The dose of Neurontin is individualized by the prescribing clinician based on the specific indication, patient age, renal function and response. Patients should follow the prescriber’s instructions and not adjust the dose without medical guidance.

Safety data for gabapentin in pregnancy are limited, and the product is classified as having an unknown pregnancy category. It is excreted in breast milk, so healthcare providers should weigh potential benefits against risks before use in pregnant or nursing women.

To place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Compared with older anticonvulsants such as carbamazepine, gabapentin has a different mechanism targeting calcium channels rather than sodium channels. It is generally better tolerated for neuropathic pain but may cause more dizziness and somnolence; efficacy and safety profiles should be evaluated for each patient.

Neurontin tablets should be stored at room temperature, below 25 °C, in the original packaging to protect from moisture and light. Keep the container tightly closed and out of reach of children.

Neurontin is taken orally, usually with or without food, as prescribed by a healthcare professional. The tablets are swallowed whole with a glass of water; crushing or chewing is not recommended unless specifically instructed.

Serious risks include severe allergic reactions (rash, swelling, breathing difficulty), suicidal thoughts or behavior, and acute respiratory depression, especially when combined with other central nervous system depressants. Patients should seek immediate medical attention if any of these occur.

Neurontin is contraindicated in patients with known hypersensitivity to gabapentin or any excipients in the formulation. Caution is advised for individuals with severe renal impairment, uncontrolled depression, or those taking multiple CNS depressants.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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