carbamazepine vs fentanyl
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Side-by-side comparison of carbamazepine and fentanyl. 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
Examples: Rifampin, carbamazepine, phenytoin Benzodiazepines and Other Central Nervous System (CNS) Depressants Clinical Impact: The concomitant use of Fentanyl Citrate Injection with CNS depressants may result in decreased pulmonary artery pressure and may cause hypotension.
Tegretol
Duragesic, Actiq
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.
Fentanyl Citrate Injection is a strong opioid pain medicine. It is used to provide short-term pain relief, often during and after surgery.
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.
Fentanyl Citrate Injection is used to manage pain during and after surgery. It can be used alone or with other medicines during general or regional anesthesia. It may also be used with oxygen for high-risk patients during certain surgeries.
Carbamazepine is an anticonvulsant. It works by reducing the spread of seizure activity in the brain. It also stabilizes nerve impulses to reduce pain.
Fentanyl is an opioid that works by binding to receptors in the brain and spinal cord. This binding decreases the feeling of pain. It can also cause sleepiness and slow breathing.
- • Dizziness
- • Drowsiness
- • Unsteadiness
- • Nausea
- • Vomiting
- • Nausea
- • Vomiting
- • Dizziness
- • Blurred vision
- Seizure 3,609
- Drug Interaction 3,369
- Fall 3,044
- Dizziness 2,862
- Pyrexia 2,689
- Drug Abuse 10,453
- Pain 7,250
- Drug Dependence 6,027
- Toxicity To Various Agents 5,846
- Overdose 5,720
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.
Fentanyl Citrate Injection can cause serious and life-threatening risks: * Addiction, abuse, and misuse can lead to overdose and death. Your doctor will assess your risk before prescribing and monitor you regularly. * Life-threatening respiratory depression (slowed or stopped breathing) can occur, especially when starting the medicine or after a dose increase. Proper dosing is essential. * Taking fentanyl with benzodiazepines (like Valium or Xanax) or other CNS depressants (including alcohol) can cause severe sleepiness, slowed breathing, coma, and death. This combination should be avoided unless there are no other options. * Using fentanyl with certain other medicines (CYP3A4 inhibitors or inducers) can change the amount of fentanyl in your blood, leading to dangerous side effects or withdrawal symptoms. Your doctor will monitor you closely if these medicines are used together.
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.
Using fentanyl for a long time during pregnancy can cause withdrawal symptoms in the newborn. Fentanyl is not recommended during labor or delivery because it can cause breathing problems in the baby.
Also Compare, Nearby Drugs
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How to Read This carbamazepine vs fentanyl Comparison
carbamazepine is classified in the Anticonvulsant drug class, while fentanyl sits within the Opioid Analgesic 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 15,573 submissions while fentanyl has 35,296. 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 using these two drugs together can cause a drop in blood pressure and lower the pressure in your lungs. this can make you feel dizzy, weak, or lightheaded.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for carbamazepine or fentanyl.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.