carbamazepine vs nortriptyline

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Side-by-side comparison of carbamazepine and nortriptyline. 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

In addition, carbamazepine causes, or would be expected to cause, decreased levels of the following drugs, for which monitoring of concentrations or dosage adjustment may be necessary: acetaminophen, albendazole, alprazolam, aprepitant, buprenorphone, bupropion, citalopram, clonazepam, clozapine, corticosteroids (e.g., prednisolone, dexamethasone), cyclosporine, dicumarol, dihydropyridine calcium channel blockers (e.g., felodipine), doxycycline, ethosuximide, everolimus, haloperidol, imatinib, itraconazole, lamotrigine, levothyroxine, methadone, methsuximide, mianserin, midazolam,...

Drug Class
carbamazepine Anticonvulsant
nortriptyline Tricyclic Antidepressant (TCA)
Type
carbamazepine Prescription
nortriptyline Prescription
Summary
carbamazepine

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.

nortriptyline

Nortriptyline (Pamelor) is a medicine used to treat depression. It can help improve your mood.

What It Treats
carbamazepine

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.

nortriptyline

Nortriptyline is used to relieve the symptoms of depression. It may work better for some types of depression than others. Talk to your doctor to see if nortriptyline is right for you.

How It Works
carbamazepine

Carbamazepine is an anticonvulsant. It works by reducing the spread of seizure activity in the brain. It also stabilizes nerve impulses to reduce pain.

nortriptyline

Nortriptyline is a tricyclic antidepressant (TCA). It works by increasing the levels of certain natural chemicals in the brain. These chemicals help regulate mood.

Common Side Effects
carbamazepine
  • Dizziness
  • Drowsiness
  • Unsteadiness
  • Nausea
  • Vomiting
nortriptyline
  • Dry mouth
  • Blurred vision
  • Constipation
  • Drowsiness
  • Dizziness
FAERS Reports
carbamazepine
  • Seizure 3,609
  • Drug Interaction 3,369
  • Fall 3,044
  • Dizziness 2,862
  • Pyrexia 2,689
nortriptyline
  • Pain 695
  • Headache 679
  • Fatigue 593
  • Nausea 513
  • Hyperhidrosis 485
Serious Warnings
carbamazepine

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.

nortriptyline

Antidepressants may increase the risk of suicidal thoughts or actions in children, teenagers, and young adults. Your doctor will monitor you closely for worsening depression or unusual changes in behavior. Families and caregivers should also watch for these changes.

Pregnancy
carbamazepine

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.

nortriptyline

Tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. Nortriptyline may not be safe for your baby. Talk to your doctor about the risks and benefits.

Also Compare, Nearby Drugs

How to Read This carbamazepine vs nortriptyline Comparison

carbamazepine is classified in the Anticonvulsant drug class, while nortriptyline sits within the Tricyclic Antidepressant (TCA) 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 nortriptyline has 2,965. 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 carbamazepine speeds up how your body breaks down nortriptyline, which can lower the amount of medicine in your blood.. 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 nortriptyline.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.