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 is employed in the management of epilepsy, postherpetic neuralgia, other neuropathic pain conditions, and restless legs syndrome in adult patients.

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 reliable sourcing for global healthcare providers. Our distribution network ensures timely delivery across Europe, Asia, Africa and the Americas, supporting consistent patient access.

Manufacturer / TM Owner

Upjohn Eesv

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Indications & Clinical Uses

  • Gabapentin is used in several neurological and pain‑related conditions, acting on the central nervous system to alleviate symptoms.
  • Epilepsy: adjunctive therapy to reduce the frequency of partial seizures.
  • Postherpetic neuralgia: relieves chronic nerve pain following shingles.
  • Neuropathic pain: diminishes pain intensity in diabetic and other peripheral neuropathies.
  • Restless legs syndrome: decreases uncomfortable sensations and urges to move the legs.

How It Works

  • Gabapentin binds selectively to the α2δ subunit of voltage‑gated calcium channels in neuronal tissue. This interaction reduces calcium influx during depolarization, leading to decreased release of excitatory neurotransmitters such as glutamate, substance P, and norepinephrine, thereby dampening neuronal hyperexcitability associated with seizures and neuropathic pain.

Side Effects

Common Side Effects

  • Dizziness or light‑headedness.
  • Somnolence or fatigue.
  • Peripheral edema, especially in the lower extremities.
  • Weight gain or increased appetite.

Serious or Rare Side Effects

  • Severe skin reactions, including Stevens‑Johnson syndrome.
  • Suicidal thoughts or behavior.
  • Anaphylactic or anaphylactoid reactions.
  • Blood dyscrasias such as agranulocytosis or thrombocytopenia.

Precautions & Warnings

Gabapentin requires careful consideration in certain patient groups and situations.

  • Renal impairment: dose adjustment may be necessary because the drug is excreted unchanged.
  • Pregnancy: safety has not been established; use only if clearly needed.
  • Elderly patients: increased risk of dizziness and falls; monitor closely.
  • Concomitant CNS depressants: may enhance sedation or respiratory depression.
  • Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Gabapentin can interact with several medications, altering efficacy or safety.

Major Interactions (Avoid)

  • Antacids containing aluminum or magnesium: may markedly reduce gabapentin absorption.
  • Opioids: combined use can increase risk of respiratory depression.
  • Alcohol: additive central nervous system depression.

Moderate Interactions (Monitor Closely)

  • Other CNS depressants (e.g., benzodiazepines, barbiturates): may enhance sedation.
  • Diuretics: can raise gabapentin plasma concentrations.
  • ACE inhibitors or angiotensin receptor blockers: monitor renal function and serum electrolytes.

Frequently Asked Questions

Neurontin, whose active ingredient is gabapentin, is prescribed for epilepsy (especially partial seizures), postherpetic neuralgia, various forms of neuropathic pain, and restless legs syndrome. It helps control seizure activity and reduces chronic nerve‑related pain in adult patients.

Gabapentin binds to the α2δ subunit of voltage‑gated calcium channels in the central nervous system. This binding limits calcium entry into neurons during depolarization, which in turn decreases the release of excitatory neurotransmitters such as glutamate and substance P, reducing neuronal hyperexcitability associated with seizures and pain.

The appropriate dose of Neurontin is individualized by a qualified prescriber based on the specific indication, patient age, renal function, and response to therapy. Healthcare professionals determine the starting dose and any subsequent titration to achieve optimal therapeutic effect while minimizing adverse reactions.

The safety of gabapentin in pregnancy has not been definitively established, and it is classified as having an unknown pregnancy category. It should only be used if the potential benefit justifies the potential risk to the fetus. Limited data are available for breastfeeding; a prescriber should evaluate the risk‑benefit ratio before use.

To place an order, submit an enquiry on the Neurontin product page at gnhindia.com, specifying the required quantity. 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 if applicable) and necessary import documentation.

Compared with other anticonvulsants, gabapentin has a distinct mechanism targeting the α2δ calcium‑channel subunit, which can be advantageous for patients who do not respond to sodium‑channel blockers. It is generally well‑tolerated but may cause more sedation and peripheral edema than some alternatives. Choice of therapy depends on seizure type, comorbid conditions, and individual tolerability.

Neurontin tablets should be stored at ambient temperature, below 25 °C (77 °F). Keep them in the original packaging to protect from moisture and light, and store out of reach of children. Do not refrigerate or freeze the product.

Neurontin is taken orally, usually with or without food, as directed by the prescribing clinician. Tablets should be swallowed whole with a glass of water. The dosing schedule (once, twice, or three times daily) is individualized based on the condition being treated and patient response.

Serious risks include severe skin reactions such as Stevens‑Johnson syndrome, suicidal thoughts or behaviors, anaphylaxis, and blood disorders like agranulocytosis. Patients should be instructed to seek immediate medical attention if they notice rash, mood changes, difficulty breathing, or signs of infection.

Neurontin is contraindicated in patients with known hypersensitivity to gabapentin or any of the tablet excipients. Caution is advised for individuals with severe renal impairment, as the drug is eliminated unchanged by the kidneys, and for pregnant or breastfeeding women unless the potential benefit outweighs the risk.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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