cenobamate vs lamotrigine
Side-by-side comparison of cenobamate and lamotrigine Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
( 7.1 ) Lamotrigine, Carbamazepine: Increase dosage as needed when used concomitantly with XCOPRI. Table 5: Pharmacokinetic Drug Interactions Drug or Substrate Type Effect of XCOPRI on Drug or Substrate Clinical Recommendation Antiepileptic Drugs lamotrigine ↓ plasma concentrations Because of a potential for reduced efficacy of these drugs, increase the dosage of lamotrigine or carbamazepine, as needed, when used concomitantly with XCOPRI.
Recommendation: Your doctor may need to increase your dose of lamotrigine to make sure it still works correctly. Monitor your symptoms closely and report any changes to your healthcare provider.
Xcopri
Lamictal
Xcopri is a medicine used to treat partial-onset seizures in adults. It works by reducing the irregular electrical activity in the brain that causes seizures.
Lamotrigine is a medicine that can treat seizures and bipolar disorder. It works by reducing irregular electrical activity in the brain.
Xcopri is used to treat partial-onset seizures in adults. Partial-onset seizures start in one area of the brain. This medicine can help reduce how often you have seizures.
Lamotrigine can treat epilepsy in adults and children 2 years and older. It can help with partial-onset seizures, primary generalized tonic-clonic seizures, and generalized seizures of Lennox-Gastaut syndrome. It can also be used to delay mood episodes in adults with bipolar I disorder.
Xcopri helps to control seizures by affecting brain activity. It reduces the excitability of brain cells. This helps to prevent the spread of seizure activity.
Lamotrigine affects how nerves in the brain send signals to each other. It is thought to work by decreasing the release of certain chemicals. This helps to stabilize electrical activity and prevent seizures or mood swings.
- • Feeling sleepy
- • Dizziness
- • Feeling tired
- • Double vision
- • Headache
- • Dizziness
- • Headache
- • Double vision
- • Uncoordinated movements
- • Nausea
- Seizure 1,815
- Missed dose 1,263
- Tiredness 672
- Sleepiness 660
- Dizziness 537
- The medicine is not working 9,923
- Skin rash 8,408
- Seizure 6,527
- Feeling sick to your stomach 6,151
- Tiredness 5,914
This medicine can cause a serious allergic reaction called DRESS, which can affect multiple organs. It can also cause liver problems. Tell your doctor right away if you have a fever, rash, swollen lymph nodes, or yellowing of your skin or eyes. Xcopri may cause you to have suicidal thoughts or behaviors. Watch for changes in your mood.
Lamotrigine can cause a serious skin rash that may require you to go to the hospital. This rash can be life-threatening. The risk is higher in children. Stop taking lamotrigine and see a doctor right away if you get a rash, fever, or swollen lymph nodes.
Tell your doctor if you are pregnant or plan to become pregnant. Xcopri may harm your unborn baby. There is a pregnancy registry for women who take anti-seizure medicines like Xcopri.
Tell your doctor if you are pregnant or plan to become pregnant. Lamotrigine may cause harm to an unborn baby. There is a pregnancy registry for women who take lamotrigine during pregnancy. You can enroll by calling 1-888-233-2334.
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How to Read This cenobamate vs lamotrigine Comparison
cenobamate is classified in the Anticonvulsant drug class, while lamotrigine sits within the Anticonvulsant class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, cenobamate has 4,947 submissions while lamotrigine has 36,923. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to cenobamate speeds up how quickly your body breaks down lamotrigine, which lowers the amount of medicine in your blood. this can make the lamotrigine less effective at preventing seizures.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between cenobamate and lamotrigine — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.