| Colchicine, dabigatran, rivaroxaban | |
| Cefamandole, cefmetazole, cefoperazone, cefotetan: can lead to hypoprothombinemia increase INR and disulfiram-like reaction | |
| 15-25 mcg/mL | |
| Conivaptan, cyclosporine, erythromycin, itraconazole, ketoconazole, quinidine, ritonavir, st. johns wort, verapamil |