The therapeutic efficacy of Danaparoid can be decreased when used in combination with Dienogest. The therapeutic efficacy of Acetohexamide can be decreased when used in combination with Dienogest. The therapeutic efficacy of Dienogest can be decreased when used in combination with Ulipristal. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Letaxaban. Ethinyl Estradiol may decrease the anticoagulant activities of Citric Acid. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with 3,4-Dichloroisocoumarin. The metabolism of Ethinyl Estradiol can be decreased when combined with Dronedarone. The metabolism of Ethinyl Estradiol can be decreased when combined with Voriconazole. Oleandrin may decrease the cardiotoxic activities of Dienogest. The serum concentration of Dienogest can be decreased when it is combined with Fosphenytoin. The metabolism of Ethinyl Estradiol can be decreased when combined with Ticlopidine. The serum concentration of Hydrocortisone can be increased when it is combined with Ethinyl Estradiol. The metabolism of Ethinyl Estradiol can be decreased when combined with Erythromycin. The serum concentration of Amcinonide can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Eslicarbazepine acetate. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Tretinoin. Ethinyl Estradiol may decrease the anticoagulant activities of Abciximab. The therapeutic efficacy of Pentaerythritol Tetranitrate can be decreased when used in combination with Dienogest. The metabolism of Ethinyl Estradiol can be decreased when combined with Atomoxetine. Ethinyl Estradiol may increase the thrombogenic activities of Conestat alfa. The therapeutic efficacy of Pioglitazone can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Alpha-1-proteinase inhibitor. The therapeutic efficacy of Fondaparinux can be decreased when used in combination with Dienogest. The serum concentration of Dyphylline can be increased when it is combined with Ethinyl Estradiol. Ethinyl Estradiol may increase the thrombogenic activities of Human C1-esterase inhibitor. The serum concentration of Dienogest can be increased when it is combined with Posaconazole. The metabolism of Ethinyl Estradiol can be decreased when combined with Imatinib. The serum concentration of Diflorasone can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Imatinib. The metabolism of Ethinyl Estradiol can be decreased when combined with Indinavir. Ethinyl Estradiol may decrease the anticoagulant activities of Ancrod. The serum concentration of Beclomethasone dipropionate can be increased when it is combined with Ethinyl Estradiol. The risk or severity of adverse effects can be increased when Cabazitaxel is combined with Dienogest. The therapeutic efficacy of Insulin Glargine can be decreased when used in combination with Dienogest. The therapeutic efficacy of Exemestane can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Colestipol. The therapeutic efficacy of Certoparin can be decreased when used in combination with Dienogest. Ethinyl Estradiol may decrease the anticoagulant activities of Desirudin. The therapeutic efficacy of Insulin Detemir can be decreased when used in combination with Ethinyl Estradiol. Ethinyl Estradiol may increase the dermatologic adverse activities of Tipranavir. Ethinyl Estradiol may decrease the anticoagulant activities of Sulodexide. The serum concentration of Dienogest can be decreased when it is combined with Colesevelam. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Hexobarbital. Ethinyl Estradiol may decrease the anticoagulant activities of Dextran 40. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with St. John's Wort. The metabolism of Dienogest can be decreased when combined with Rucaparib. The metabolism of Ethinyl Estradiol can be decreased when combined with Clarithromycin. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Nevirapine. The therapeutic efficacy of Dienogest can be decreased when used in combination with Tipiracil. The serum concentration of Dienogest can be decreased when it is combined with Rifaximin. Ethinyl Estradiol may decrease the anticoagulant activities of Dalteparin. The serum concentration of Dienogest can be decreased when it is combined with Rifapentine. The serum concentration of Estrone sulfate can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Dienogest can be increased when it is combined with Indinavir. The serum concentration of Triamcinolone can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Dienogest can be decreased when used in combination with Thiamylal. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Mycophenolic acid. Dienogest may decrease the anticoagulant activities of Dicoumarol. The serum concentration of Cortexolone 17α-propionate can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Fluconazole. The therapeutic efficacy of Dienogest can be decreased when used in combination with Phenobarbital. The therapeutic efficacy of Dienogest can be decreased when used in combination with Adapalene. The serum concentration of Fludrocortisone can be increased when it is combined with Ethinyl Estradiol. The metabolism of Dienogest can be decreased when combined with Atomoxetine. The serum concentration of Ethinyl Estradiol can be increased when it is combined with Mifepristone. The therapeutic efficacy of Dienogest can be decreased when used in combination with Primidone. The therapeutic efficacy of Empagliflozin can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Antithrombin III human. The serum concentration of Dienogest can be increased when it is combined with Tipranavir. Cyclophosphamide may increase the cardiotoxic activities of Dienogest. The serum concentration of Flibanserin can be increased when it is combined with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Deferasirox. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Rivaroxaban. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Amprenavir. The therapeutic efficacy of Miglitol can be decreased when used in combination with Dienogest. The serum concentration of Androstenedione can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Miglustat can be decreased when used in combination with Dienogest. The serum concentration of Dienogest can be decreased when it is combined with Lopinavir. The therapeutic efficacy of Nateglinide can be decreased when used in combination with Dienogest. The therapeutic efficacy of 2,4-thiazolidinedione can be decreased when used in combination with Dienogest. The serum concentration of Tixocortol can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Rosiglitazone can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Ubenimex. The metabolism of Dienogest can be decreased when combined with Ranolazine. The serum concentration of Conivaptan can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Chlorpropamide can be decreased when used in combination with Dienogest. The metabolism of Dienogest can be decreased when combined with Cyclosporine. The therapeutic efficacy of Ferulic acid can be decreased when used in combination with Dienogest. The metabolism of Ethinyl Estradiol can be increased when combined with Primidone. The serum concentration of Ethinyl Estradiol can be increased when it is combined with Ranolazine. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Fosinopril. The serum concentration of Ropinirole can be increased when it is combined with Ethinyl Estradiol. Ouabain may decrease the cardiotoxic activities of Dienogest. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Tocilizumab. The serum concentration of Difluprednate can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Dienogest can be decreased when used in combination with Amobarbital. Ethinyl Estradiol may increase the thrombogenic activities of Anthrax immune globulin human. The therapeutic efficacy of Allicin can be decreased when used in combination with Ethinyl Estradiol. The serum concentration of Ethinyl Estradiol can be increased when it is combined with Luliconazole. The metabolism of Ethinyl Estradiol can be decreased when combined with Olaparib. The metabolism of Dienogest can be decreased when combined with Erythromycin. The therapeutic efficacy of Apixaban can be decreased when used in combination with Dienogest. The therapeutic efficacy of Dienogest can be decreased when used in combination with Alitretinoin. The therapeutic efficacy of Allicin can be decreased when used in combination with Dienogest. The serum concentration of Cortisone acetate can be increased when it is combined with Ethinyl Estradiol. Dienogest may increase the thrombogenic activities of Thalidomide. The serum concentration of Ethinyl Estradiol can be decreased when it is combined with Sivelestat. Ethinyl Estradiol may decrease the anticoagulant activities of Heparin. Ethinyl Estradiol may decrease the anticoagulant activities of Certoparin. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Sarilumab. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Carbamazepine. The therapeutic efficacy of Dienogest can be decreased when used in combination with Mifepristone. The serum concentration of Dienogest can be decreased when it is combined with Phenytoin. The metabolism of Dienogest can be decreased when combined with Crizotinib. Ethinyl Estradiol may decrease the anticoagulant activities of Ardeparin. The therapeutic efficacy of Nafamostat can be decreased when used in combination with Dienogest. The serum concentration of Fluocinonide can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Dienogest can be decreased when used in combination with Isotretinoin. The therapeutic efficacy of Lepirudin can be decreased when used in combination with Dienogest. The therapeutic efficacy of Buformin can be decreased when used in combination with Dienogest. The serum concentration of Dienogest can be decreased when it is combined with Deferasirox. The therapeutic efficacy of Ethinyl Estradiol can be decreased when used in combination with Barbexaclone. The therapeutic efficacy of Empagliflozin can be decreased when used in combination with Dienogest. Deslanoside may decrease the cardiotoxic activities of Dienogest. Proscillaridin may decrease the cardiotoxic activities of Dienogest. The metabolism of Ethinyl Estradiol can be decreased when combined with Isavuconazonium. The therapeutic efficacy of Edetic Acid can be decreased when used in combination with Dienogest. The serum concentration of NCX 1022 can be increased when it is combined with Ethinyl Estradiol. The therapeutic efficacy of Insulin Glulisine can be decreased when used in combination with Dienogest. The therapeutic efficacy of Insulin Glulisine can be decreased when used in combination with Ethinyl Estradiol.