About lamotrigin e
Antiseizure medicine; mood stabilizer
Used for
- Treats epilepsy and helps prevent seizures.
- Helps prevent mood episodes in bipolar I disorder.
Usual adult dose
Varies by condition and other medicines; usually increased gradually. Maintenance doses commonly range from 100–400 mg daily.
Usual dose in children
For epilepsy, dosing is based on weight, age, and other medicines; a clinician must set it.
Common side effects
- Rash
- Headache or dizziness
- Nausea
- Blurred or double vision
Important warnings
- A serious rash can occur, especially during the first weeks; seek urgent medical care for rash with blisters, peeling, or mouth sores.
- Increase doses gradually and follow the prescribed schedule; rapid increases raise rash risk.
- Do not stop suddenly without medical guidance, as seizures may worsen.
- Report new or worsening suicidal thoughts, mood changes, or unusual behavior.
Pregnancy
Do not stop suddenly. Pregnancy can change blood levels; discuss treatment and monitoring with a clinician.
Breastfeeding
Lamotrigine passes into breast milk. Monitor the baby for rash, poor feeding, unusual sleepiness, or breathing problems.
Interactions
- Valproate raises lamotrigine levels and rash risk.
- Estrogen-containing contraceptives can lower levels; stopping them may raise levels.
- Carbamazepine, phenytoin, phenobarbital, and primidone can lower levels.
- Rifampin can lower lamotrigine levels.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.