Lamotrigine

Pronounced lah-MO-tri-jeen

Brand names: Lamictal

Type: Mood stabilizer and antiseizure medicine · All Neurology Medicines

What Lamotrigine is used for

  • Bipolar disorder maintenance
  • Seizure disorders

◆ Kidney note

Dose may be lowered in significant kidney impairment.

Common side effects

  • Dizziness
  • Headache
  • Double or blurred vision
  • Nausea
  • Rash

Important cautions

  • Can cause a life-threatening skin reaction (Stevens-Johnson syndrome), most often in the first weeks — any new rash during early treatment needs urgent medical review, and the dose is raised very slowly for this reason
  • Hormonal contraceptives can lower its level, and it interacts with valproate

How it comes

Tablets, extended-release tablets, chewable and dissolving tablets. This guide lists forms only — it never lists strengths or doses.

Toxicity lists: Lamotrigine also appears on Medicines That Can Harm the Liver.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.