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What the FDA labels say about taking them together

Carbamazepine and methylprednisolone

Methylprednisolone's FDA label (Solu-Medrol) of December 2, 2025 names carbamazepine in its drug interactions section; the carbamazepine labels PlainMeds reads (3) do not name methylprednisolone. The methylprednisolone label: “Hepatic Enzyme Inducers: Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased.”

Check it at the source: the carbamazepine FDA label on DailyMed (effective August 20, 2026, Novartis Pharmaceuticals Corporation); the methylprednisolone FDA label on DailyMed (effective June 22, 2026, Mylan Pharmaceuticals Inc.).

What does the carbamazepine label say about methylprednisolone?

Carbamazepine's label (effective August 20, 2026) and its 2 other brand-application labels do not name methylprednisolone in these sections. A label lists what its studies and reports found; it is not a complete list.

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 methylprednisolone label say about carbamazepine?

Solu-Medrol label (Pharmacia & Upjohn Company LLC, December 2, 2025), drug interactions

Hepatic Enzyme Inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin): Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased.

Source: FDA drug label (Solu-Medrol, NDA011856), Pharmacia & Upjohn Company LLC, effective December 2, 2025 (SPL set cd99be87-c8d9-48d6-a8e5-e081052e3f19), via openFDA

Source: FDA drug label (Methylprednisolone), NDA011153 (Pfizer), as published by Mylan Pharmaceuticals Inc., effective June 22, 2026 (SPL set 22dd75d6-f89a-44f7-8ca6-b64c4e9806dd), 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
35Methylprednisolone generic labelers
CarbamazepineMethylprednisolone
Labeled forBipolar disorder, Seizures and epilepsyOsteoarthritis, Allergies, Herpes and shingles, Leukemia, lymphoma and myeloma, Crohn's disease and ulcerative colitis, Multiple sclerosis, Asthma, Eczema (atopic dermatitis), Anemia
Boxed warningYesNo
Pharmacy cost (NADAC)$0.119 per tablet 200 mg tablet$0.121 per tablet 4 mg tablet
Shortage nowA presentation being discontinuedIn shortage

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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