Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir Interaction
Drug interaction information between Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir.
Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
This seizure medication lowers the amount of the HIV medicine in your blood, which can make the HIV treatment less effective.
What To Do
Your doctor should consider switching you to a different seizure medication that does not interact with your HIV treatment.
FDA Label Information
oxcarbazepine phenobarbital phenytoin ↓ BIC ↓ TAF Coadministration with alternative anticonvulsants should be considered.
Oxcarbazepine Also Interacts With
- Dolutegravir/Lamivudine moderate
- Tranylcypromine moderate
- Rifampin minor
- Phenytoin minor
- Phenobarbital minor
Bictegravir/Emtricitabine/Tenofovir Also Interacts With
- Rifampin major
- Dofetilide major
- Metformin moderate
- Sertraline minor
- Estradiol minor
Frequently Asked Questions
Can I take Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir together?
This is a minor interaction. Your doctor should consider switching you to a different seizure medication that does not interact with your HIV treatment.
How serious is the interaction between Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir?
This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.
Why do Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir interact?
This seizure medication lowers the amount of the HIV medicine in your blood, which can make the HIV treatment less effective.
Understanding the Oxcarbazepine and Bictegravir/Emtricitabine/Tenofovir Interaction
FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Oxcarbazepine belongs to the Anticonvulsant class and Bictegravir/Emtricitabine/Tenofovir belongs to the Integrase Inhibitor / NRTI Combination class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: This seizure medication lowers the amount of the HIV medicine in your blood, which can make the HIV treatment less effective. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Oxcarbazepine has 18 total documented interactions on file in this dataset, and Bictegravir/Emtricitabine/Tenofovir has 19. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: Your doctor should consider switching you to a different seizure medication that does not interact with your HIV treatment. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Oxcarbazepine or Bictegravir/Emtricitabine/Tenofovir based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.