Zervira Amenamevir Rifampicin
ModerateRifampicin is a strong CYP3A4 inducer, which means it speeds up how the body breaks down amenamevir. As a result, rifampicin can lower the level of amenamevir a lot, and that may make amenamevir work less well.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.