Atanib Afatinib Dimaleate Rifampicin
ModerateRifampicin is a P-gp inducer, and taking it at the same time as Afatinib Dimaleate can cause an interaction. Carbamazepine, Phenytoin and Phenobarbital are in the same group.
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.