carbamazepine vs ranolazine
Side-by-side comparison of carbamazepine and ranolazine. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
CYP3A Inducers Do not use ranolazine with CYP3A inducers such as rifampin, rifabutin, rifapentine, phenobarbital, phenytoin, carbamazepine, and St.
Recommendation: Avoid using these drugs together to make sure your treatment stays effective.
Tegretol
Ranexa
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.
Ranolazine extended-release tablets help treat chronic angina (chest pain). It can be used with other heart medicines.
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.
Ranolazine is used to treat chronic angina, which is chest pain that keeps coming back. It can help you have fewer angina episodes. You can take this medicine with other drugs like beta-blockers or nitrates.
Carbamazepine is an anticonvulsant. It works by reducing the spread of seizure activity in the brain. It also stabilizes nerve impulses to reduce pain.
Ranolazine works by affecting the sodium channels in your heart cells. This helps to improve blood flow to your heart. It reduces the amount of calcium in your heart, which can help prevent angina.
- • Dizziness
- • Drowsiness
- • Unsteadiness
- • Nausea
- • Vomiting
- • Dizziness
- • Headache
- • Constipation
- • Nausea
- Seizure 3,609
- Interaction with another medicine 3,369
- Fall 3,044
- Dizziness 2,860
- Fever 2,690
- Death 816
- Heart attack 640
- Chest pain 605
- Angina 594
- Stent placement 582
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.
Ranolazine can cause changes in your heart's electrical activity (QT prolongation). If you have kidney problems, your doctor should check your kidney function. If you develop kidney failure, stop taking ranolazine.
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.
It is not known if ranolazine can harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if ranolazine passes into breast milk. Discuss with your doctor if you are breastfeeding.
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How to Read This carbamazepine vs ranolazine Comparison
carbamazepine is classified in the Anticonvulsant drug class, while ranolazine sits within the Late Sodium Current Inhibitor (Antianginal) 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, carbamazepine has 15,572 submissions while ranolazine has 3,237. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known major interaction flagged in FDA labeling, attributed to carbamazepine makes your body get rid of ranolazine too quickly, which prevents the medicine from working as it should.. 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 ranolazine - 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.