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What the FDA labels say about taking them together

Oxcarbazepine and rilpivirine

Rilpivirine's FDA label of August 28, 2025 names oxcarbazepine in its contraindications section; the oxcarbazepine labels PlainMeds reads (2) do not name rilpivirine. The rilpivirine label: “Coadministration is contraindicated with EDURANT or EDURANT PED.”

Check it at the source: the oxcarbazepine FDA label on DailyMed (effective December 16, 2025, Novartis Pharmaceuticals Corporation); the rilpivirine FDA label on DailyMed (effective August 28, 2025, Janssen Products, LP).

What does the oxcarbazepine label say about rilpivirine?

Oxcarbazepine's label (effective December 16, 2025) and its 1 other brand-application label do not name rilpivirine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Trileptal), Novartis Pharmaceuticals Corporation, effective December 16, 2025 (SPL set 4c5c86c8-ab7f-4fcf-bc1b-5a0b1fd0691b), via openFDA; the full label on DailyMed

What does the rilpivirine label say about oxcarbazepine?

Rilpivirine label, contraindications

Drug Class: Anticonvulsants; Contraindicated Drugs in Class: Carbamazepine Oxcarbazepine Phenobarbital Phenytoin; Clinical Comment: Potential for significant decreases in rilpivirine plasma concentrations due to CYP3A enzyme induction, which may result in loss of virologic response.

Rilpivirine label, drug interactions

Concomitant Drug Class/Drug Name: Anticonvulsants: carbamazepine oxcarbazepine phenobarbital phenytoin; Effect on Concentration of Rilpivirine or Concomitant Drug: ↓ rilpivirine; Clinical Comment: Coadministration is contraindicated with EDURANT or EDURANT PED [see ].

Source: FDA drug label (EDURANT), Janssen Products, LP, effective August 28, 2025 (SPL set 03880372-2c68-45c6-a53a-f420c49541d6), 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

43Oxcarbazepine generic labelers
2Rilpivirine generic labelers
OxcarbazepineRilpivirine
Labeled forSeizures and epilepsyHIV
Boxed warningNoNo
Pharmacy cost (NADAC)$0.167 per tablet 300 mg tablet$48.04 per tablet 25 mg tablet
Shortage nowNo current entryNo current entry

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

What next?