Product image of Lamictal (Lamotrigine) supplied by GNH India

Lamictal

Active Ingredient:
Lamotrigine
Origin:
EU

Lamictal (Lamotrigine)

Lamotrigine, the active ingredient in Lamictal, is an anticonvulsant presented as an oral tablet for oral use. It is prescribed to manage seizure disorders and to stabilize mood in bipolar disorder, primarily in adult patients.

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, on‑time delivery to meet global healthcare needs, including temperature‑controlled logistics where required. Our network spans Europe, Asia, Africa and the Americas, ensuring broad accessibility.

Manufacturer / TM Owner

Glaxosmithkline (Ireland) Limited

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Indications & Clinical Uses

Lamotrigine is used in the management of seizure disorders and mood stabilization in bipolar disorder.

  • Epilepsy: reduces the frequency and severity of seizures in patients with focal or generalized epilepsy.
  • Bipolar disorder: helps maintain mood stability and prevents recurrence of depressive episodes in adults.
  • Adjunctive therapy for seizure disorders: used together with other antiepileptic drugs to improve overall seizure control.

How It Works

  • Lamotrigine acts by inhibiting voltage‑gated sodium channels on neuronal membranes, which decreases the rapid influx of sodium ions during depolarization. This stabilizes neuronal excitability and limits the release of excitatory neurotransmitters such as glutamate and aspartate, thereby reducing the propagation of abnormal electrical activity that underlies seizures and mood swings. The drug’s effect on sodium channels also contributes to modulation of calcium‑dependent processes, further dampening neuronal firing.

Side Effects

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

Common Side Effects

  • Dizziness
  • Headache
  • Nausea
  • Rash

Serious or Rare Side Effects

  • Stevens‑Johnson syndrome or toxic epidermal necrolysis (severe skin reactions)
  • Aseptic meningitis
  • Hepatic failure

Precautions & Warnings

When prescribing lamotrigine, clinicians should observe several safety measures.

  • Titration schedule: initiate at low dose and increase gradually to reduce rash risk.
  • Skin monitoring: discontinue immediately if severe rash or hypersensitivity develops.
  • Hepatic impairment: use with caution and monitor liver function tests.
  • Concomitant valproate: avoid high‑dose combinations; adjust dosing under medical supervision.
  • Pregnancy and breastfeeding: assess risk‑benefit; consult healthcare provider.
  • Store below 25°C: keep in the original packaging, protect from moisture and light.

Avoid Interactions

Lamotrigine interacts with several medicines; awareness of the level of interaction is essential.

Major Interactions (Avoid)

  • Valproic acid: markedly increases lamotrigine plasma concentrations.
  • Carbamazepine and phenytoin: significantly reduce lamotrigine levels.
  • Oral contraceptives: lower lamotrigine concentrations, may reduce efficacy.

Moderate Interactions (Monitor Closely)

  • Other antiepileptic drugs (e.g., phenobarbital): may alter lamotrigine metabolism.
  • Antidepressants (e.g., SSRIs): potential additive CNS effects.
  • NSAIDs: may increase risk of skin reactions.

Frequently Asked Questions

Lamictal, whose active ingredient is lamotrigine, is prescribed to control seizures in epilepsy and to stabilize mood in adults with bipolar disorder. It can be used as monotherapy or in combination with other antiepileptic drugs to achieve better seizure control.

Lamotrigine works by blocking voltage‑gated sodium channels on neurons, which reduces the rapid influx of sodium during depolarisation. This stabilises neuronal firing and limits the release of excitatory neurotransmitters such as glutamate, helping to prevent the abnormal electrical activity that causes seizures and mood swings.

The dose of Lamictal is individualised by the prescribing clinician based on the patient’s condition, age, weight, and any concomitant medications. Starting doses are typically low and increased gradually to minimise the risk of skin reactions. Exact dosing instructions should always come from a qualified healthcare professional.

Data on lamotrigine use during pregnancy and lactation are limited. It may be continued if the therapeutic benefit outweighs potential risks, but clinicians usually assess each case carefully. Breastfeeding mothers should discuss possible exposure with their healthcare provider to decide whether continuation is appropriate.

To order Lamictal, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request trade or institutional credentials. The sales team then replies with pricing, availability, shipping details (including any temperature‑controlled logistics) and the necessary import documentation.

Compared with older agents such as carbamazepine or valproic acid, lamotrigine generally has a lower incidence of cognitive side effects and is weight‑neutral. However, it carries a unique risk of severe skin reactions, especially when combined with valproate. Choice of therapy depends on the patient’s seizure type, comorbidities, and tolerance profile.

Lamictal tablets should be stored at temperatures below 25 °C (77 °F). Keep them in the original container, protect from moisture and direct light, and ensure the packaging remains tightly closed until use. Do not store in a bathroom or near a heat source.

Lamictal is taken orally, usually as a tablet swallowed whole with water. It can be taken with or without food, but consistency helps maintain stable blood levels. Patients should follow the titration schedule prescribed by their clinician and avoid crushing or chewing the tablets unless specifically instructed.

The most serious risks include severe skin reactions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, which require immediate discontinuation and medical attention. Other rare but serious concerns are aseptic meningitis, hepatic failure, and blood dyscrasias like agranulocytosis. Prompt reporting of any rash or systemic symptoms is essential.

Lamictal should be avoided in individuals with a known hypersensitivity to lamotrigine or any of its excipients. Patients with severe hepatic impairment, a history of severe skin reactions to other medications, or those taking interacting drugs such as high‑dose valproate without appropriate dose adjustment should not use it without close medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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