Emtricitabine, rilpivirine, and tenofovir and Topiramate interaction
Emtricitabine, rilpivirine, and tenofovir and Topiramate: the Emtricitabine, rilpivirine, and tenofovir prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Emtricitabine, rilpivirine, and tenofovir (COMPLERA) label · effective 2025-07-16
…virologic response and possible resistance to COMPLERA or to the class of NNRTIs [see Warnings and Precautions (5.7) , Drug Interactions (7) , and Clinical Pharmacology (12.3) ]: Anticonvulsants: carbamazepine, oxcarbazepine, phenobarbital, phenytoin Antimycobacterials: rifampin, rifapentine Glucocorticoid (systemic): dexamethasone (more than a single-dose)…
Anticonvulsants: carbamazepine oxcarbazepine phenobarbital phenytoin ↓ RPV Coadministration is contraindicated due to potential for loss of virologic response and development of resistance.
Coadministration of RPV and drugs that induce CYP3A may result in decreased plasma concentrations of RPV and loss of virologic response and possible resistance to RPV or to the class of NNRTIs.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.