Potential additive or synergistic renal function impairment w/ aminoglycosides, amphotericin B and cisplatin. Additive/synergistic nephrotoxicity w/ cyclosporine. Increased Seegraf levels w/ diltiazem, nicardipine, nifedipine, verapamil, clotrimazole, fluconazole, itraconazole, ketoconazole, clarithromycin, erythromycin, troleandomycin, cisapride, metoclopramide, bromocriptine, cimetidine, cyclosporine, danazol, ethinyl estradiol, methylprednisolone, omeprazole, protease inhibitors, nefazodone.
Reduced Seegraf levels w/ carbamazepine, phenobarb, phenytoin, rifabutin, rifampin & St. John's wort.