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What Is Briviact?

Briviact is a prescription antiseizure medicine containing brivaracetam. It is approved for treatment of partial-onset seizures in patients age 1 month and older. Briviact comes as oral tablets, oral liquid, and intravenous injection. Brivaracetam is classified as a Schedule V controlled substance in the United States.

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What Is Briviact?

Briviact is a prescription antiseizure medicine containing brivaracetam. It is approved for treatment of partial-onset seizures in patients age 1 month and older. Briviact comes as oral tablets, oral liquid, and intravenous injection. Brivaracetam is classified as a Schedule V controlled substance in the United States.

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How Does Briviact Act in the Brain?

The precise anticonvulsant mechanism of brivaracetam is unknown. Brivaracetam has high and selective affinity for synaptic vesicle protein 2A in the brain. Binding to this protein is thought to contribute to its antiseizure activity, although the full relationship between SV2A binding and seizure control has not been established.

Who Is Treated With Briviact?

Briviact is approved for partial-onset seizures in adults and pediatric patients age 1 month and older. It can be used as monotherapy or adjunctive therapy. Oral treatment uses tablets or oral liquid, while intravenous Briviact is used when oral administration is temporarily not feasible.

How Is Briviact Dosed?

Adults age 16 and older commonly start at 50 mg twice daily, with a maintenance range of 25 mg to 100 mg twice daily. Pediatric patients use weight-based dosing when body weight is under 50 kg. Gradual dose escalation is not required when treatment starts. Liver impairment calls for lower recommended doses.

What Serious Reactions Are Linked to Briviact?

Briviact is linked to suicidal thoughts or behavior, sleepiness, fatigue, dizziness, gait disturbance, behavioral or psychiatric reactions, bronchospasm, angioedema, and serious skin reactions. Antiseizure therapy is generally withdrawn gradually to reduce the risk of increased seizure frequency or status epilepticus. Driving is avoided until the individual response is known.

Frequently Asked Questions About Briviact

What type of seizures does Briviact treat?

Briviact treats partial-onset seizures in adults and pediatric patients age 1 month and older.

How often do adults take Briviact?

Adults age 16 and older commonly take Briviact twice daily, with dosing adjusted according to response and tolerability.

Can Briviact tablets be crushed?

No. Current labeling states that Briviact tablets should be swallowed whole with liquid and not chewed or crushed.

Is Briviact a controlled substance?

Yes. Brivaracetam is classified as a Schedule V controlled substance in the United States.

References

Brivaracetam. MedlinePlus. https://medlineplus.gov/druginfo/meds/a616027.html. Date Accessed September 17, 2026.

Brivaracetam Injection. MedlinePlus. https://medlineplus.gov/druginfo/meds/a616026.html. Date Accessed September 17, 2026.

BRIVIACT (brivaracetam) Prescribing Information. UCB. https://www.ucb-usa.com/briviact-prescribing-information.pdf. Date Accessed September 17, 2026.

DailyMed - BRIVIACT (brivaracetam) tablet, solution, and injection. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=3cf2f439-0e97-443e-8e33-25ecef616f6c. Date Accessed September 17, 2026.

FDALabel - BRIVIACT (brivaracetam). https://nctr-crs.fda.gov/fdalabel/ui/spl-summaries/criteria/387905. Date Accessed September 17, 2026.