Product image of Lamictal (Lamotrigine) supplied by GNH India

Lamictal

Active Ingredient:
Lamotrigine
Origin:
EU

Lamictal (Lamotrigine)

Lamotrigine, the active ingredient in Lamictal, is a sodium channel blocker presented as an oral tablet for oral use. It is prescribed to manage epilepsy, including various seizure types, and to stabilize mood in bipolar disorder for adults and adolescents.

GNH India supplies Lamictal as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable global distribution for this essential medication through established logistics networks, ensuring timely delivery to diverse healthcare settings.

Manufacturer / TM Owner

Laboratoire Glaxosmithkline

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Indications & Clinical Uses

  • Lamotrigine is used in the management of seizure disorders and mood stabilization, acting on neuronal excitability.
  • Epilepsy: reduces the frequency and severity of seizures in patients with focal and generalized epilepsy.
  • Bipolar disorder: helps maintain mood stability and prevents depressive and manic episodes in adults and adolescents.
  • Partial seizures: decreases occurrence of focal onset seizures when used as adjunct therapy.
  • Generalized seizures: contributes to control of tonic‑clonic seizures as part of combination therapy.

How It Works

  • Lamotrigine inhibits voltage‑gated sodium channels on neuronal membranes, decreasing the influx of sodium ions during depolarization. This stabilizes neuronal excitability and limits the release of excitatory neurotransmitters such as glutamate, thereby reducing the propagation of abnormal electrical activity that underlies seizures and mood swings.

Side Effects

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

Common Side Effects

  • Dizziness
  • Headache
  • Nausea or vomiting
  • Skin rash
  • Insomnia
  • Blurred vision

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome or toxic epidermal necrolysis
  • Severe skin reactions (e.g., bullous eruptions)
  • Blood dyscrasias such as agranulocytosis
  • Hepatic failure
  • Suicidal thoughts or behavior

Precautions & Warnings

  • When prescribing lamotrigine, clinicians should consider several safety measures.
  • Monitor blood counts: regular hematologic testing is advised to detect rare blood abnormalities.
  • Assess skin reactions: patients should be instructed to report any rash promptly.
  • Adjust dose with valproate: co‑administration requires slower titration to avoid toxicity.
  • Avoid abrupt discontinuation: tapering is recommended to reduce seizure recurrence risk.
  • Store at room temperature: keep in the original packaging, protect from moisture and excessive heat.

Avoid Interactions

Lamotrigine interacts with several medications that can alter its plasma levels.

Major Interactions (Avoid)

  • Valproic acid: markedly increases lamotrigine concentrations.
  • Carbamazepine: reduces lamotrigine levels, potentially decreasing efficacy.
  • Phenytoin: accelerates lamotrigine metabolism, lowering therapeutic effect.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: may reduce lamotrigine levels, requiring dose adjustment.
  • Serotonergic antidepressants (e.g., SSRIs): monitor for increased risk of serotonin syndrome.
  • NSAIDs: may slightly increase lamotrigine exposure; observe for enhanced side effects.

Frequently Asked Questions

Lamictal, whose active ingredient is lamotrigine, is prescribed for the control of seizures in epilepsy and for mood stabilization in bipolar disorder. It helps reduce the frequency of various seizure types and prevents depressive or manic episodes in patients diagnosed with bipolar I or II.

Lamotrigine works by blocking voltage‑gated sodium channels on neurons, which reduces the rapid influx of sodium ions during electrical signaling. This stabilizes neuronal membranes and limits the release of excitatory neurotransmitters such as glutamate, thereby decreasing abnormal electrical activity that can trigger seizures or mood swings.

The appropriate dose of Lamictal is individualized by the prescribing healthcare professional based on the patient’s age, condition, and any concomitant medications. Dosage titration is typically gradual to minimize the risk of skin reactions, and the prescriber will determine the exact regimen.

Safety of lamotrigine during pregnancy and lactation should be evaluated by a qualified clinician. While some data suggest it may be used when benefits outweigh risks, the drug can cross the placenta and appear in breast milk, so careful monitoring and professional guidance are essential.

To request Lamictal, 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 anticonvulsants, lamotrigine offers a favorable profile for both seizure control and mood stabilization, making it a dual‑purpose option. Unlike some older sodium channel blockers, it has a lower incidence of cognitive side effects, though it requires careful titration to avoid skin reactions.

Lamictal tablets should be stored at room temperature, below 25 °C, in the original container to protect them from moisture and light. Keep the medication out of reach of children and avoid storing in bathrooms or other humid environments.

Lamictal is taken orally, usually as a tablet, with or without food. The prescribing physician will advise the exact dosing schedule, which often starts with a low dose that is gradually increased to the therapeutic level.

The most serious risks include severe skin reactions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, blood dyscrasias like agranulocytosis, and rare cases of hepatic failure. Prompt medical attention is required if any rash, fever, or unusual symptoms develop.

Lamictal is contraindicated in individuals with known hypersensitivity to lamotrigine or any component of the formulation. Patients with a history of severe skin reactions to anticonvulsants should avoid it, and it should be used with caution in those taking interacting drugs such as valproic acid.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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