brivaracetam vs cenobamate
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of brivaracetam and cenobamate. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Briviact
Xcopri
Brivaracetam is a medicine used to treat partial-onset seizures. It helps to reduce the number of seizures you have.
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.
Brivaracetam is used to treat partial-onset seizures. These seizures start in one part of the brain. It can be used alone or with other seizure medicines for people 1 month and older.
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.
Brivaracetam binds to a protein in the brain called SV2A. This helps to reduce the electrical activity in the brain that causes seizures. It helps to stabilize nerve cells.
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.
- • Feeling sleepy or tired
- • Dizziness
- • Fatigue
- • Nausea or vomiting
- • Feeling sleepy
- • Dizziness
- • Feeling tired
- • Double vision
- • Headache
- Seizure 1,810
- Therapy Interrupted 280
- Overdose 233
- Fatigue 230
- Somnolence 216
- Seizure 1,815
- Fatigue 672
- Somnolence 660
- Dizziness 537
- Fall 368
Brivaracetam can cause suicidal thoughts or actions. Watch for new or worsening depression, suicidal thoughts or behavior, or unusual changes in mood. Tell your doctor right away if you have any of these symptoms. Do not stop taking brivaracetam suddenly, as this may increase your risk of seizures.
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.
Tell your doctor if you are pregnant or plan to become pregnant. There is a pregnancy registry for women who take brivaracetam during pregnancy. Contact the North American Antiepileptic Drug (NAAED) Pregnancy Registry at 1-888-233-2334.
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.
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How to Read This brivaracetam vs cenobamate Comparison
brivaracetam is classified in the Anticonvulsant (SV2A Ligand) drug class, while cenobamate sits within the Anticonvulsant class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. 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, brivaracetam has 2,769 submissions while cenobamate has 4,052. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for brivaracetam or cenobamate.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.