carbamazepine vs levetiracetam
Side-by-side comparison of carbamazepine and levetiracetam Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
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Carbamazepine is a medicine used to control seizures and treat nerve pain. It works by reducing abnormal electrical activity in the brain and calming nerve signals.
Levetiracetam is a medicine used to treat seizures. It helps control seizures in adults and children.
Carbamazepine is used to treat certain types of seizures, including partial seizures and generalized tonic-clonic seizures. It can also treat mixed seizure patterns. Carbamazepine also treats the pain from trigeminal neuralgia, a nerve disorder that causes intense facial pain. It is also sometimes used for glossopharyngeal neuralgia.
Levetiracetam is used to treat partial-onset seizures in patients 1 month and older. It is also used with other medicines to treat myoclonic seizures in patients 12 years and older with juvenile myoclonic epilepsy. Additionally, it treats primary generalized tonic-clonic seizures in patients 6 years and older with idiopathic generalized epilepsy.
Carbamazepine is an anticonvulsant. It works by reducing the spread of seizure activity in the brain. It also stabilizes nerve impulses to reduce pain.
Levetiracetam is an antiepileptic drug, but how it works is not fully known. It is thought to affect certain nerve signals in the brain. This helps to reduce seizures.
- • Dizziness
- • Drowsiness
- • Unsteadiness
- • Nausea
- • Vomiting
- • Sleepiness
- • Weakness
- • Infection
- • Dizziness
- • Tiredness
- Medicine not working 4,898
- Seizure 3,609
- Interaction with another medicine 3,369
- Fall 3,044
- Dizziness 2,860
- Seizure 15,308
- Medicine not working 11,807
- Using medicine for unapproved purpose 8,947
- Tiredness 5,403
- Convulsion 4,080
Carbamazepine can cause severe skin reactions, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), which can be fatal. If you are of Asian descent, you may need a blood test before starting this medicine. Carbamazepine can also cause serious blood problems like aplastic anemia and agranulocytosis. Contact your doctor right away if you develop a fever, sore throat, rash, or unusual bleeding or bruising.
Levetiracetam can cause behavior and mood changes, including psychotic symptoms and suicidal thoughts. Watch for new or worsening depression, suicidal thoughts, or unusual changes in mood or behavior. Levetiracetam can also cause sleepiness and fatigue, so be careful when driving or operating machinery. Serious skin reactions and allergic reactions are possible. Do not suddenly stop taking this medicine, as it can cause withdrawal seizures.
Carbamazepine may harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if carbamazepine passes into breast milk, so talk to your doctor about breastfeeding.
Tell your doctor if you are pregnant or plan to become pregnant. Levetiracetam levels in your blood may decrease during pregnancy, so your doctor may need to adjust your dose. There is a pregnancy registry for women who take antiepileptic drugs; you can enroll by calling 1-888-233-2334.
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How to Read This carbamazepine vs levetiracetam Comparison
carbamazepine is classified in the Anticonvulsant drug class, while levetiracetam 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, carbamazepine has 17,780 submissions while levetiracetam has 45,545. 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 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 carbamazepine and levetiracetam — 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.