LAMOTRIGINE - Watsons Health


Lamotrigine is an anticonvulsant that helps in preventing and controlling seizures.

This drug, along with other medications, is used to prevent and control seizures. It may also be used to help prevent the extreme mood swings of bipolar disorder in adults.

Do not use Lamotrigine if:

  • You are allergic to any ingredient in Lamotrigine
  • You are taking Dofetilide

If any of these apply to you, contact your doctor or health care provider right away.

Reported side effects of this drug are the following:

  • Loss of balance or coordination
  • Double vision
  • Blurred vision
  • Uncontrollable movements of the eyes
  • Difficulty thinking or concentrating
  • Difficulty speaking
  • Drowsiness
  • Dizziness
  • Diarrhea
  • Constipation
  • Loss of appetite
  • Weight loss
  • Stomach, back, or joint pain
  • Missed or painful menstrual periods
  • Swelling, itching, or irritation of the vagina
  • Uncontrollable shaking of a part of the body

Some side effects can be serious. It include:

  • Seizures that happen more often, last longer, or are different than the seizures you had in the past
  • Chest pain
  • Swelling of the hands, feet, ankles, or lower legs
  • Headache
  • Stiff neck
  • Sensitivity to light
  • Loss of consciousness

Call your doctor if you have any unusual problems while taking this medication.


Before taking Lamotrigine:

  • Tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems.
  • Tell your doctor or pharmacist your medical history, especially of kidney disease and liver disease.
  • This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely.
  • Limit alcoholic beverages.



Drug interactions may interfere with how your medication works. Tell your doctor about all your medications and any you start or stop using during treatment with Lamotrigine.

Notify your health care provider if you are taking any other medicines, especially any of the following:

  • Carbamazepine because it may decrease Lamotrigine’s effectiveness and increase the risk of side effects, such as dizziness, double vision, blurred vision, and decreased coordination
  • Valproate (eg, valproic acid, divalproex sodium) because it may increase the risk of lamotrigine’s side effects
  • Dofetilide because the risk of its side effects may be increased by lamotrigine
  • Atazanavir/ritonavir, estrogens, lopinavir/ritonavir, phenobarbital, phenytoin, primidone, rifampin, or succinimides (eg, methsuximide) because they may decrease lamotrigine’s effectiveness
  • Hormonal contraceptives (eg, birth control pills) because the effectiveness of both medicines may be decreased

Call emergency hotline if someone has overdosed and has serious symptoms such as passing out or trouble breathing. Symptoms of overdose may include:

  • Severe Drowsiness
  • Unusual Eye Movements
  • Loss Of Consciousness


Available brands:

  • Lamictal
  • Lamotrix
  • Lamitor 50/Lamitor-100
  • Motrigine/Motrigine 100
  • Lamosyn 50/Lamosyn 100

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