the second component is unchanged, 200mg of
emtricitabine, also called FTC, a fluor substituted form of
Lamivudine, that provides protection from the development of mutants that will lower the responsiveness to tenofovir.
it's side effects are generally considered very mild, equivalent to lamivudine.
This is theoretically good news for hbv patients waiting eagerly for TAF to be available for HBV.
The problem is the high price: 1500$ for one month supply of 30 pills.