May increase levels w/ CYP3A4 & P-gp inhibitors; Ca channel blockers (eg, diltiazem, nicardipine, verapamil), antifungals (eg, clotrimazole, fluconazole, itraconazole, ketoconazole, voriconazole), antibiotics (eg, clarithromycin, erythromycin, telithromycin, troleandomycin), GI prokinetics (eg, cisapride, metoclopramide), bromocriptine, cimetidine, cyclosporine, danazol, letermovir, PIs (eg, ritonavir, indinavir, boceprevir, telaprevir), grapefruit juice. May decrease levels w/ CYP3A4 & P-gp inducers; anticonvulsants (eg, carbamazepine, phenobarb, phenytoin), antibiotics (eg, rifabutin, rifampicin, rifapentine), herbal prep (eg, St. John's wort). Increased C
max, t
max & AUC w/ diltiazem, verapamil, erythromycin & ketoconazole. Decreased AUC & C
max w/ rifampicin. Monitor for rhabdomyolysis development when used concomitantly w/ cyclosporine together w/ HMG-CoA reductase inhibitor &/or fibrate. Increased C
max & AUC w/ cyclosporine. Increased sirolimus blood levels when used concomitantly w/ cannabidiol. Possible HUS/TTP/TMA w/ CNI. Immunosuppressants may affect response to vaccination. Bioavailability is affected by concomitant food intake after administration.