carbamazepine vs pregabalin
Side-by-side comparison of carbamazepine and pregabalin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Specifically, there are no pharmacokinetic interactions between pregabalin and the following antiepileptic drugs: carbamazepine, valproic acid, lamotrigine, phenytoin, phenobarbital, and topiramate.
Recommendation: No special dose changes are usually needed when taking these together. Your doctor will continue to monitor your treatment as usual.
Tegretol
Lyrica
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.
Pregabalin (Lyrica) is a medicine that can help manage nerve pain, fibromyalgia, and partial-onset seizures. It works by calming overactive nerves in your body.
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.
This medicine is used to treat nerve pain caused by diabetes, shingles, or spinal cord injury. It can also help with fibromyalgia, a condition that causes widespread pain. Pregabalin can also be used with other medicines to treat partial-onset seizures in adults and children as young as 1 month old.
Carbamazepine is an anticonvulsant. It works by reducing the spread of seizure activity in the brain. It also stabilizes nerve impulses to reduce pain.
Pregabalin works by binding to certain areas in your brain and spinal cord. This action helps to reduce the release of chemicals that send pain signals. By reducing these signals, pregabalin can help to lessen pain and control seizures.
- • Dizziness
- • Drowsiness
- • Unsteadiness
- • Nausea
- • Vomiting
- • Dizziness
- • Sleepiness
- • Dry mouth
- • Swelling
- • Blurred vision
- Seizure 3,609
- Interaction with another medicine 3,369
- Fall 3,044
- Dizziness 2,860
- Fever 2,690
- Pain 25,904
- Tiredness 15,111
- Feeling dizzy 14,526
- Feeling sick to your stomach 14,050
- Headache 12,681
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.
Pregabalin can cause swelling of the throat, head, and neck, which can be life-threatening. Get emergency help right away if this happens. This medicine can also increase the risk of suicidal thoughts or behavior. Watch for any changes in your mood or behavior. Pregabalin may cause dizziness and sleepiness, so be careful driving or operating machinery. Do not stop taking pregabalin suddenly, as this can cause increased seizures or other side effects.
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.
Taking pregabalin during pregnancy may slightly increase the risk of birth defects. If you are pregnant or plan to become pregnant, talk to your doctor about the risks and benefits of taking this medicine. Breastfeeding while taking pregabalin is not recommended.
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How to Read This carbamazepine vs pregabalin Comparison
carbamazepine is classified in the Anticonvulsant drug class, while pregabalin sits within the Anticonvulsant / Nerve Pain Agent 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 pregabalin has 82,272. 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 minor interaction flagged in FDA labeling, attributed to these two medicines do not change how the body processes or breaks down each other. there is no known chemical interaction between them.. 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 pregabalin - 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.