Increased levels w/ CYP3A4 & P-gp inhibitors eg, diltiazem, nicardipine, verapamil, clotrimazole, fluconazole, itraconazole, ketoconazole, voriconazole, clarithromycin, erythromycin, telithromycin, troleandomycin, cisapride, metoclopramide, bromocriptine, cimetidine, cyclosporine, danazol, letermovir, ritonavir, indinavir, boceprevir, telaprevir, grapefruit juice. Decreased levels w/ CYP3A4 & P-gp inducers eg, carbamazepine, phenobarb, phenytoin, rifabutin, rifampicin, rifapentine, St. John's wort. Monitor for rhabdomyolysis development w/ cyclosporine, HMG-CoA reductase inhibitors &/or fibrates. Monitor blood levels & toxicity w/ cannabidiol. Calcineurin inhibitor-induced hemolytic uremic syndrome/TTP/thrombotic microangiopathy w/ calcineurin inhibitor. Avoid use of live vaccines. Affected bioavailability by concomitant food intake.