Bromocriptin, kortison, dapson, ergotamin, gestoden, lidocain, mephenytoin, miconazol, midazolam, nilvadipin, norethindron, quinidin, tamoxifen, (triacetyl) oleandomycin.
In vitro the following substances have been shown to be potential inhibitors of tacrolimus metabolism: bromocriptine, cortisone, dapsone, ergotamine, gestodene, lidocaine, mephenytoin, miconazole, midazolam, nilvadipine, norethindrone, quinidine, tamoxifen, (triacetyl)oleandomycin.