Coadministration of a norethisterone IM depot injection has not been studied but based on metabolism and clearance a clinically significant interaction is unlikely. Norethisterone is metabolized by CYP3A4. Emtricitabine/tenofovir-DF does not interact with this metabolic pathway.
View all available interactions with
Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP) by clicking