Choice of Medications to Treat Seizures

Type

Medications

Use

Generalized-onset tonic-clonic seizures

Divalproex

Valproate

First-line monotherapy

LamotrigineLamotrigine

LevetiracetamLevetiracetam

TopiramateTopiramate

Second-line monotherapy or adjunctive therapy

LacosamideLacosamide

PerampanelPerampanel

ZonisamideZonisamide

Adjunctive therapy

PhenobarbitalPhenobarbital

Although effective, often considered second-line monotherapy because it is sedating and can cause behavioral and learning problems in children

Various types of focal-onset and focal-to-bilateral tonic-clonic seizures

CarbamazepineCarbamazepine

FosphenytoinFosphenytoin

LamotrigineLamotrigine

LevetiracetamLevetiracetam

OxcarbazepineOxcarbazepine

PhenytoinPhenytoin

TopiramateTopiramate

First-line monotherapy

CenobamateCenobamate

Divalproex

EslicarbazepineEslicarbazepine

GabapentinGabapentin

LacosamideLacosamide

PerampanelPerampanel

PregabalinPregabalin

Valproate

ZonisamideZonisamide

Second-line monotherapy or adjunctive therapy

ClobazamClobazam

FelbamateFelbamate

TiagabineTiagabine

VigabatrinVigabatrin

Third-line monotherapy or adjunctive therapy

PhenobarbitalPhenobarbital

Although effective, often considered less desirable because it is sedating and can cause behavioral problems in children

Typical nonmotor (absence) seizures

Divalproex

EthosuximideEthosuximide

LamotrigineLamotrigine

Valproate

First-line monotherapy

ClobazamClobazam

LevetiracetamLevetiracetam

TopiramateTopiramate

ZonisamideZonisamide

Also effective

Atypical nonmotor (absence) seizures

Nonmotor seizures associated with other seizure types

Divalproex

FelbamateFelbamate

LamotrigineLamotrigine

TopiramateTopiramate

Valproate

First-line monotherapy

ClonazepamClonazepam

Also effective, but often development of tolerance

AcetazolamideAcetazolamide

Reserved for refractory cases

Epileptic (infantile) spasms

Atonic seizures

Myoclonic seizures

Divalproex

Valproate

First-line monotherapy

VigabatrinVigabatrin

Risk of irreversible visual field defects

ClonazepamClonazepam

Second-line

Dravet syndrome*

CannabidiolCannabidiol

ClobazamClobazam

TopiramateTopiramate

Valproate

Adjunctive therapy.

Tonic and/or atonic seizures in Lennox-Gastaut syndrome

Divalproex

LamotrigineLamotrigine

TopiramateTopiramate

Valproate

First-line monotherapy

CannabidiolCannabidiol

Adjunctive therapy

ClobazamClobazam

FelbamateFelbamate

ZonisamideZonisamide

Sometimes alternative or adjunctive therapy for atonic seizures

Juvenile myoclonic epilepsy

Divalproex

Valproate

First-line monotherapy

LamotrigineLamotrigine†

LevetiracetamLevetiracetam

TopiramateTopiramate

ZonisamideZonisamide

Second-line monotherapy or adjunctive therapy

Unclassifiable seizures

Divalproex

Valproate

First-line monotherapy

LamotrigineLamotrigine

Second-line monotherapy

LevetiracetamLevetiracetam

TopiramateTopiramate

ZonisamideZonisamide

Third-line monotherapy or adjunctive therapy

Status epilepticus

FosphenytoinFosphenytoin

PhenytoinPhenytoin

LevetiracetamLevetiracetam

Valproate

After initial lorazepamAfter initial lorazepam

Note: Ezogabine has been withdrawn from the market because of limited use; the medication had a boxed warning for retinal abnormalities and potential vision loss.

* Carbamazepine, phenytoin, and lamotrigine can worsen myoclonus and exacerbate seizures in patients with Dravet syndrome.* Carbamazepine, phenytoin, and lamotrigine can worsen myoclonus and exacerbate seizures in patients with Dravet syndrome.

Lamotrigine can aggravate myoclonic seizures in some patients with juvenile myoclonic epilepsy.† Lamotrigine can aggravate myoclonic seizures in some patients with juvenile myoclonic epilepsy.