Potential additive of synergistic renal function impairment w/ drugs associated w/ renal dysfunction eg, aminoglycosides, amphotericin B, ibuprofen, cisplatin. Additive/synergistic nephrotoxicity w/ cyclosporine. Increased whole blood & plasma levels w/ CYP3A4 inhibitors including Ca channel blocker (eg, diltiazem, nicardipine, nifedipine, verapamil), antifungal agents (eg, clotrimazole, fluconazole, itraconazole, ketoconazole, voriconazole), macrolides (eg, clarithromycin, erythromycin, troleandomycin), GI prokinetic agents (eg, cisapride, metoclopramide), bromocriptine, chloramphenicol, cimetidine, cyclosporine, danazol, ethinyl estradiol, amiodarone, methylprednisolone, lansoprazole, omeprazole, PIs, nefazodone, Mg-/Al- hydroxide, letermovir & cannabidiol. Increased metabolism & decreased whole blood or plasma levels w/ CYP3A4 inducers including anticonvulsants (eg, carbamazepine, phenobarb, phenytoin), antimicrobials (eg, rifabutin, caspofungin, rifampin), St. John's wort, sirolimus. Increased mean AUC & decreased mean C
max w/ Mg-/Al- hydroxide. Decreased oral bioavailability & increased clearance w/ rifampin. Concomitant use w/ nephrotoxic drugs (eg, ganciclovir) or drugs metabolized by CYP3A (eg, nelfinavir, ritonavir); direct-acting antiviral therapy. Increased blood conc w/ nelfinavir. Increased C
max & AUC w/ telaprevir & boceprevir. Increased conc of phenytoin. Avoid concomitant use w/ grapefruit juice. Decreased mean AUC & C
min w/ sirolimus. Avoid use w/ live vaccines. Potential increased exposure of mycophenolic acid.