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 formulation for oral use. It is employed to manage partial seizures, postherpetic neuralgia, various 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.

Manufacturer / TM Owner

Upjohn Uk Limited

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Indications & Clinical Uses

Neurontin (gabapentin) acts on neuronal calcium channels and is indicated for several neurological and pain‑related conditions.

  • Partial seizures: reduces seizure frequency in patients with epilepsy.
  • Postherpetic neuralgia: alleviates chronic pain following shingles.
  • Neuropathic pain: eases pain associated with diabetic neuropathy and other nerve‑damage disorders.
  • Restless legs syndrome: diminishes uncomfortable sensations and urges to move the legs.

How It Works

  • Gabapentin binds to the α2δ subunit of voltage‑gated calcium channels in central nervous system neurons, decreasing calcium influx and subsequently reducing the release of excitatory neurotransmitters such as glutamate, norepinephrine and substance P. This modulation dampens neuronal hyperexcitability, contributing to seizure control and analgesic effects in neuropathic pain states.

Side Effects

Gabapentin may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Dizziness: sensation of light‑headedness or unsteadiness.
  • Somnolence: increased sleepiness or fatigue.
  • Peripheral edema: swelling of the lower extremities.
  • Weight gain: gradual increase in body weight.

Serious or Rare Side Effects

  • Severe allergic reactions: rash, swelling, or difficulty breathing.
  • Suicidal ideation: new or worsening thoughts of self‑harm.
  • Acute respiratory depression: especially when combined with other CNS depressants.

Precautions & Warnings

Before initiating therapy, clinicians should evaluate patient‑specific factors and monitor for potential complications.

  • Renal impairment: adjust dose based on creatinine clearance.
  • Pregnancy: discuss potential risks and benefits with a healthcare professional.
  • Concomitant CNS depressants: monitor for enhanced sedation or respiratory depression.
  • Mood changes: observe for signs of depression or suicidal thoughts.
  • Store at room temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

Gabapentin can interact with several medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Antacids containing aluminum or magnesium: may markedly reduce gabapentin absorption.
  • Opioids or benzodiazepines: combined use can lead to profound sedation and respiratory depression.

Moderate Interactions (Monitor Closely)

  • ACE inhibitors: may increase the risk of peripheral edema.
  • Diuretics: can enhance hypotensive effects.
  • Alcohol: may intensify dizziness and drowsiness.

Frequently Asked Questions

Neurontin, whose active ingredient is gabapentin, is prescribed to treat partial seizures, postherpetic neuralgia, various forms of neuropathic pain and restless legs syndrome. It helps control abnormal neuronal firing and reduces pain signals in these conditions.

Gabapentin binds to the α2δ subunit of voltage‑gated calcium channels in the central nervous system. This binding limits calcium entry into neurons, decreasing the release of excitatory neurotransmitters and thereby reducing neuronal hyperexcitability that underlies seizures and neuropathic pain.

The appropriate dose of Neurontin is individualized by the prescribing clinician based on the patient’s condition, renal function, age and response to therapy. Dosage regimens may vary widely, and any adjustments should follow the prescriber’s instructions.

Safety data for gabapentin in pregnancy and lactation are limited. Healthcare providers should weigh potential benefits against possible risks and discuss these considerations with the patient before initiating therapy during pregnancy or while breastfeeding.

To request Neurontin, submit an enquiry on the 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 and any necessary import documentation.

Compared with other neuropathic pain medications such as pregabalin or duloxetine, gabapentin has a distinct binding site on calcium channels and a generally favorable tolerability profile. Choice of therapy depends on individual patient factors, efficacy, side‑effect tolerance and cost considerations.

Neurontin should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid storing it in humid environments such as bathrooms.

Neurontin is taken orally, usually with or without food, as directed by the prescriber. The tablets (or capsules, if supplied) should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed.

Serious risks include severe allergic reactions, suicidal thoughts or behaviors, and acute respiratory depression, especially when combined with other central nervous system depressants. Patients should seek immediate medical attention if they experience rash, swelling, difficulty breathing, mood changes or excessive drowsiness.

Neurontin is contraindicated in individuals with known hypersensitivity to gabapentin or any of its excipients. Caution is advised for patients with severe renal impairment, uncontrolled psychiatric conditions, or those taking multiple CNS depressants without close monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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