Types of medicine
What Is an Anticonvulsant? Seizure Medicines Explained
Anticonvulsant · say it: an-tee-kun-VUL-suntAlso written: anti-seizure medicine, antiepileptic drug, AED, anticonvulsants, Anti-epileptic drug, antiepileptic
Short answer
An anticonvulsant is a medicine that helps prevent or control seizures. Some are also used for nerve pain, migraine or mood conditions.
What it means
Anticonvulsants, also called anti-seizure or antiepileptic medicines, reduce the chance of seizures by calming overactive electrical signals in the brain. Examples include levetiracetam, lamotrigine, valproate, carbamazepine, phenytoin and topiramate. Some are also used for nerve pain, migraine prevention or bipolar disorder.
Labels for anticonvulsants share several warnings: do not stop suddenly, as seizures can return or worsen; watch for mood changes or suicidal thoughts; and report serious skin rashes. Many interact with other medicines, including hormonal contraception. Some can harm a developing baby, so pregnancy should be planned with the doctor. Drowsiness and dizziness are common, which matters for driving.
'Anticonvulsant', 'antiepileptic' and 'anti-seizure medicine' generally mean the same thing. Some of these medicines are prescribed for reasons other than epilepsy, so seeing the word on your label does not mean your doctor thinks you have epilepsy.
Where you may see it
- Anti-seizure medicine labels and Medication Guides
- Interaction warnings about hormonal contraception
- Neurology letters and epilepsy care plans
📄 How it looks on a report
Antiepileptic drugs increase the risk of suicidal thoughts or behavior. Monitor for the emergence or worsening of depression.
🙅 What it does not mean
- Being prescribed one does not always mean you have epilepsy.
- Feeling well or being seizure-free does not mean you can stop it on your own.
- Not every anticonvulsant has the same risks; each has its own label.
🗒️ Questions to ask your doctor
💊 Medicines whose labels mention “Anticonvulsant”
Plain-English explanations of each medicine, from its official FDA label.
- Albendazole
an anthelmintic drug, a medicine used to treat infections caused by parasitic worms
- Alprazolam
a benzodiazepine, a type of central nervous system medicine
- Bupropion Hydrochloride
an aminoketone antidepressant, a type of medicine used to treat depression
- Carbamazepine
a mood stabilizer, and an anticonvulsant (seizure) medicine, according to the label
- Clonazepam
a benzodiazepine, a type of medicine that slows activity in the central nervous system
- Divalproex Sodium
An anti-epileptic (anti-seizure) drug of the valproate type. The label also uses it to treat manic episodes of bipolar disorder and to prevent migraine headaches.
- Fluoxetine
a selective serotonin reuptake inhibitor (SSRI), a type of antidepressant medicine
- Gabapentin
An antiepileptic (seizure) medicine. The label also describes it as a treatment for nerve pain after shingles.
- Hydroxychloroquine
an antimalarial and antirheumatic drug, which means it is used for malaria and for certain joint and immune conditions
- Lamotrigine
An anti-epileptic (seizure) medicine and mood stabilizer. The label describes it as an anti-epileptic drug of the phenyltriazine class that is chemically unrelated to other anti-epileptic drugs.
🔗 Read more from trusted sources
- “Anticonvulsant” on MedlinePlus ↗
US National Library of Medicine
- NCI Dictionary definition ↗
US National Cancer Institute: “anticonvulsant”
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General information about a medical word, not advice about your own results. Ask the clinician who ordered the test what it means for you.