No Interaction Expected
Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP)
Quality of Evidence:
Coadministration has not been studied but based on metabolism and clearance a clinically significant interaction is unlikely. Warfarin is a mixture of enantiomers which are metabolized by different cytochromes. R-warfarin is primarily metabolized by CYPs 1A2 and 3A4 whereas S-warfarin (more potent) is metabolized by CYP2C9.
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Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP) by clicking