tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention the medications listed in the IMPORTANT WARNING section and any of the following: aliskiren (Tekturna, in Valturna, in Amturnide); anticoagulants ('blood thinners') such as dabigatran (Pradaxa), rivaroxaban (Xarelto) and warfarin (Coumadin); aprepitant (Emend); aripiprazole (Abilify); atorvastatin (Lipitor); bosentan (Tracleer); budesonide (Uceris); buspirone (BuSpar); carbamazepine (Tegretol); calcium channel blockers such as amlodipine (Norvasc), diltiazem (Cardizem, Dilacor, Tiazac), nicardipine (Cardene), nifedipine (Adalat, Procardia), and verapamil (Calan, Covera, Isoptin, Verelan); cancer medications such as bortezomib (Velcade); busulfan (Myleran); dasatinib (Sprycel); docetaxel (Taxotere), erlotinib (Tarceva); ixabepilone (Ixempra); lapatinib (Tykerb); nilotinib (Tasigna);paclitaxel (Taxol), trimetrexate (Neutrexin), vincristine (Vincasar), vinblastine, and vinorelbine (Navelbine); ciclesonide (Alvesco); cilostazol (Pletal); cinacalcet (Sensipar); colchicine (Colcrys, in Col-Probenecid); dexamethasone; digoxin (Lanoxin); eletriptan (Relpax); fentanyl (Abstral, Actiq, Duragesic, Fentora, Lazanda, Onsolis); fesoterodine (Toviaz); fluticasone (Flonase, Flovent); haloperidol (Haldol); HIV medications such as darunavir (Prezista), efavirenz (Sustiva), fosamprenavir (Lexiva),indinavir (Crixivan), maraviroc (Selzentry), nevirapine (Viramune), ritonavir (Norvir), and saquinavir (Invirase, Fortovase); immunosuppressants such as cyclosporine (Neoral, Sandimmune), everolimus (Afinitor, Zortress),sirolimus (Rapamune), and tacrolimus (Prograf); imatinib (Gleevec); medications for erectile dysfunction such as sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra); medications for indigestion, heartburn, or ulcers such as cimetidine (Tagamet), famotidine (Pepcid), lansoprazole (Prevacid), nizatidine (Axid), omeprazole (Prilosec), and ranitidine (Zantac); medications to treat tuberculosis such as isoniazid (INH, Nydrazid), rifabutin (Mycobutin), rifampin (Rifadin, Rimactane); methylprednisolone (Medrol); nadolol (Corgard); oxycodone (Oxecta, Oxy Contin, in Percocet, others); phenytoin (Dilantin); praziquantel (Biltricide); quetiapine (Seroquel); ramelteon (Rozerem); repaglinide (Prandin, in PrandiMet); risperidone (Risperdal); salmeterol (Serevent, in Advair);saxagliptin (Onglyza); solifenacin (Vesicare); immunosuppressants such as cyclosporine (Neoral, Sandimmune), sirolimus (Rapamune), and tacrolimus (Prograf); tamsulosin (Flomax, in Jalyn); telithromycin (Ketek); and tolterodine (Detrol) . Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Many other medications may also interact with ketoconazole, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list.