Lamotrigin ratiopharm
Lamotrigine ratiopharm is a medicine used to treat epilepsy and bipolar disorder by affecting brain signals.
How to Use
Dosage
For adults and children over 13 years, the usual dose is 100–400 mg daily. For children aged 2–12 years, the dose depends on weight, up to a maximum of 200 mg daily.
Method
Take your dose once or twice a day as your doctor prescribes, with or without food. You can swallow the tablet whole with a small amount of water or dissolve it in water. Always take the full dose your doctor prescribed.
Never take more than your doctor has prescribed, up to a maximum of 400 mg daily for adults and up to 200 mg daily for children aged 2-12 years.
Possible Side Effects
- •Headache
- •Rash
- •Irritability
- •Tiredness
- •Dizziness
- •Shaking or trembling
- •Trouble sleeping (insomnia)
- •Restlessness
- •Diarrhea
- •Dry mouth
- •Nausea or vomiting
- •Feeling tired
- •Back, joint, or other pain
- •Clumsiness or balance problems
- •Double vision or blurred vision
- •Unusual hair loss
- •Rash or sensitive skin to sunlight
- •Fever, headache, nausea, stiff neck, and light sensitivity (signs of meningitis)
- •Jerky eye movements
- •Itchy, watery eyes
- •Severe, life-threatening skin reactions (e.g., blisters, skin peeling)
- •High fever
- •Facial swelling or swollen glands in the neck, armpits, or groin
- •Changes in liver function or liver damage
- •Increased bleeding or easy bruising
- •Changes in blood counts (e.g., decrease in red blood cells, white blood cells, or platelets)
- •Hallucinations (seeing or hearing things that are not there)
- •Confusion
- •Unsteady or wobbly feeling when moving
- •Uncontrolled body or eye movements, twitching, shaking, or stiffness
- •Seizures may become more frequent or worse for people with epilepsy
- •Parkinson's disease symptoms may worsen
- •Lupus-like symptoms (such as joint pain, fever)
- •Weakening of bones or fractures
- •Kidney or eye inflammation
- •Nightmares
- •Weakened immune system against infections
- •Red bumps or patches on the skin
Important Warnings
- Do not use if you are allergic to lamotrigine or any other ingredients in the medicine.
- This medicine can cause severe skin reactions that can be life-threatening. If you get a rash, fever, facial swelling, sores in your mouth or throat, red eyes, or other severe symptoms, contact your doctor immediately.
- A rare, severe immune system reaction (HLH) can occur. Contact your doctor if you have fever, rash, or neurological symptoms (like tremors or confusion).
- Some patients have had suicidal thoughts while using this medicine. If you have such thoughts, contact your doctor immediately.
- If you have Brugada syndrome or other heart problems, tell your doctor, as the medicine can affect heart function.
Show 3 more warnings
- Tell your doctor if you have kidney problems.
- If you get a rash or sunburn easily while taking this medicine, avoid the sun and use sun protection.
- This medicine can cause confusion and blurred vision. Do not drive or use machines if you are unsure how the medicine affects you.
Use in Elderly Patients
Suitable for older adults, with specific precautions. Numerous potential adverse effects.. Consider common and sometimes serious adverse skin reactions. Reduce the dose in severe renal impairment. (updated 6.10.2025)