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 used to treat epilepsy, including partial and generalized seizures, and to provide maintenance therapy for bipolar disorder in adults.
GNH India supplies Lamictal as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Glaxosmithkline Pharma Gmbh.

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Indications & Clinical Uses

Lamotrigine is an anticonvulsant that acts on neuronal excitability in several neurological and psychiatric conditions.

  • Epilepsy (partial seizures): reduces the frequency and severity of focal seizures.
  • Epilepsy (generalized seizures): helps control tonic‑clonic and absence seizures.
  • Bipolar disorder (maintenance): stabilises mood and prevents recurrence of depressive or manic episodes.

How It Works

  • Lamotrigine inhibits voltage‑gated sodium channels, stabilising neuronal membranes and decreasing the release of excitatory neurotransmitters such as glutamate. This reduction in neuronal firing helps prevent the abnormal electrical activity that underlies seizures and mood swings, providing therapeutic control in epilepsy and bipolar disorder.

Side Effects

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

Common Side Effects

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

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 injury
  • Aseptic meningitis
  • Life‑threatening hypersensitivity reactions

Precautions & Warnings

When prescribing lamotrigine, clinicians should consider several safety measures.

  • Titration schedule: follow a gradual dose‑increase to minimise rash risk.
  • Concomitant valproate: monitor for increased lamotrigine plasma levels.
  • Pregnancy: potential unknown risks; discuss benefits and alternatives.
  • Renal or hepatic impairment: adjust dose as needed.
  • Discontinuation: avoid abrupt stop to reduce seizure recurrence.
  • Store at ambient temperature: keep below 25°C, in original packaging, protected from moisture.

Avoid Interactions

Lamotrigine interacts with several medicines that can alter its plasma concentration.

Major Interactions (Avoid)

  • Valproic acid: markedly increases lamotrigine levels, raising toxicity risk.
  • Carbamazepine: significantly reduces lamotrigine concentrations, decreasing efficacy.
  • Phenytoin: lowers lamotrigine exposure, potentially compromising seizure control.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: may reduce lamotrigine levels, requiring dose adjustment.
  • Phenobarbital: decreases lamotrigine concentrations, necessitating monitoring.
  • Serotonergic agents: concurrent use may increase the risk of serotonin‑related effects.

Frequently Asked Questions

Lamictal, whose active ingredient is lamotrigine, is prescribed for the management of epilepsy—including partial and generalized seizures—and as a maintenance therapy for bipolar disorder to help prevent mood episodes in adults.

Lamotrigine works by blocking voltage‑gated sodium channels on neurons, which stabilises cell membranes and reduces the release of excitatory neurotransmitters such as glutamate. This action diminishes abnormal electrical activity that can trigger seizures or mood swings.

The specific dose of Lamictal is determined by the prescribing clinician based on the patient’s condition, age, and other medications. Dosage regimens are individualized and should follow the prescriber’s instructions.

The safety of lamotrigine during pregnancy and lactation is not fully established. Healthcare providers weigh potential benefits against possible risks and discuss alternatives when appropriate. Women should consult their physician before starting or continuing therapy.

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 many older anticonvulsants, lamotrigine offers a favourable side‑effect profile and is effective for both seizure control and mood stabilization. However, it requires careful titration to minimise rash risk, and drug‑interaction potential differs from agents such as carbamazepine or valproate.

Lamictal tablets should be stored at ambient temperature, preferably below 25 °C. Keep them in the original container, protect from moisture and direct sunlight, and keep out of reach of children.

Lamictal is taken orally, usually as a tablet, with or without food. The exact dosing schedule, including titration steps, is set by the prescriber to achieve optimal therapeutic effect while reducing adverse reactions.

The most serious risks include severe skin reactions such as Stevens‑Johnson syndrome or toxic epidermal necrolysis, blood disorders like agranulocytosis, and rare cases of hepatic injury. Prompt medical attention is required if any signs of these reactions appear.

Lamictal is contraindicated in individuals with a known hypersensitivity to lamotrigine or any of its excipients. Patients with a history of severe rash to lamotrigine, or those taking interacting medications without proper monitoring, should avoid its use unless supervised by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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