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What the FDA labels say about taking them together

Carbamazepine and imipramine

Carbamazepine's FDA label of August 20, 2026 names imipramine in its contraindications section; the imipramine label PlainMeds reads does not name carbamazepine. The carbamazepine label: “Acetaminophen, albendazole, alprazolam, aprepitant, buprenorphine, apixaban, bupropion, buspirone, citalopram, clobazam, clonazepam, clozapine, corticosteroids, cyclosporin, dabigatran, delavirdine, desipramine …”

Check it at the source: the carbamazepine FDA label on DailyMed (effective August 20, 2026, Novartis Pharmaceuticals Corporation); the imipramine FDA label on DailyMed (effective August 11, 2026, Leading Pharma, LLC).

What does the carbamazepine label say about imipramine?

Carbamazepine label, contraindications

CONTRAINDICATIONS Tegretol should not be used in patients with a history of previous bone marrow depression, hypersensitivity to the drug, or known sensitivity to any of the tricyclic compounds, such as amitriptyline, desipramine, imipramine, protriptyline, nortriptyline, etc. Likewise, on theoretical grounds its use with monoamine oxidase (MAO) inhibitors is not recommended.

Carbamazepine label, drug interactions

… contraceptives, oxcarbazepine, paliperidone, phensuximide, phenytoin, praziquantel, protease inhibitors, risperidone, sertraline, sirolimus, tadalafil, theophylline, tiagabine, topiramate, tramadol, trazodone, tricyclic antidepressants (e.g., imipramine, amitriptyline, nortriptyline), valproate, warfarin, ziprasidone, zonisamide.

Carbatrol label (Takeda Pharmaceuticals America, Inc., August 17, 2026), contraindications

CONTRAINDICATIONS Carbamazepine should not be used in patients with a history of previous bone marrow depression, hypersensitivity to the drug, or known sensitivity to any of the tricyclic compounds, such as amitriptyline, desipramine, imipramine, protriptyline and nortriptyline.

Carbatrol label (Takeda Pharmaceuticals America, Inc., August 17, 2026), drug interactions

… paliperidone, phenytoin (3), praziquantel, protease inhibitors, quetiapine, risperidone, rivaroxaban (6), sertraline, sirolimus, tadalafil, theophylline, tiagabine, topiramate, tramadol, triazolam, trazodone (4), tricyclic antidepressants (e.g., imipramine, amitriptyline, nortriptyline), valproate, warfarin (5), ziprasidone, and zonisamide. (2) Concomitant use of Carbatrol with hormonal contraceptive products (e.g., oral and levonorgestrel subdermal implant contraceptives) may render the contraceptives less effective because the plasma concentrations of the hormones may be decreased.

Equetro label (Validus Pharmaceuticals LLC, August 19, 2025), contraindications

Known hypersensitivity to any of the tricyclic compounds (e.g., amitriptyline, desipramine, imipramine, protriptyline, and nortriptyline.) Hypersensitivity reactions include anaphylaxis and serious rash.

Equetro label (Validus Pharmaceuticals LLC, August 19, 2025), drug interactions

… other hormonal contraceptives, oxcarbazepine, paliperidone, phenytoin, praziquantel, quetiapine, risperidone, sertraline, sirolimus, tadalafil, theophylline, topiramate, tiagabine, tramadol, triazolam, tricyclic antidepressants (e.g., imipramine, amitriptyline, nortriptyline), trazodone, valproate, warfarin, ziprasidone, and zonisamide.

Source: FDA drug label (Carbatrol, NDA020712), Takeda Pharmaceuticals America, Inc., effective August 17, 2026 (SPL set bc03e499-5bac-4293-bff4-6864153a624d), via openFDA

Source: FDA drug label (Tegretol), Novartis Pharmaceuticals Corporation, effective August 20, 2026 (SPL set 8d409411-aa9f-4f3a-a52c-fbcb0c3ec053), via openFDA; the full label on DailyMed

What does the imipramine label say about carbamazepine?

Imipramine's label (effective August 11, 2026) does not name carbamazepine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Imipramine Hydrochloride), Leading Pharma, LLC, effective August 11, 2026 (SPL set 490263ce-b4d2-428a-87da-fcd07f85499a), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

42Carbamazepine generic labelers
14Imipramine generic labelers
CarbamazepineImipramine
Labeled forBipolar disorder, Seizures and epilepsyDepression
Boxed warningYesYes
Pharmacy cost (NADAC)$0.119 per tablet 200 mg tablet$0.0698 per tablet 10 mg tablet
Shortage nowA presentation being discontinuedNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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