Notify your medical specialist of all medications you have been or are using before taking Cialis Daily, especially imatinib (Gleevec), isoniazid, conivaptan (Vaprisol), rifabutin (Mycobutin), nefazodone, rifapentine (Priftin) or rifampin (Rifadin, Rifater, Rimactane Rifamate); antibiotics such as erythromycin (E.E.S., EryPed, Ery-Tab, Pediazole), telithromycin (Ketek) or clarithromycin (Biaxin), antifungal medications e.g. ketoconazole (Nizoral), itraconazole (Sporanox), posaconazole (Noxafil), miconazole (Oravig)or voriconazole (Vfend); barbiturates e.g. phenobarbital (Solfoton); antidepressants like nefazodone; high blood pressure or a prostate disorder medications, such as alfuzosin (Uroxatral), prazosin (Minipress), doxazosin (Cardura), silodosin (Rapaflo), terazosin (Hytrin) or tamsulosin (Flomax, Jalyn); heart medications such as amlodipine (Norvasc, Lotrel, Exforge, Caduet, Tekamlo, Twynsta, Tribenzor, Amturnide), diltiazem (Cardizem, Diltia, Dilacor, Cartia, Taztia, Diltzac, Tiazac), enalapril (Vasotec), nifedipine (Nifedical, Procardia), nicardipine (Cardene), quinidine (Quin-G), verapamil (Calan, Verelan, , Isoptin, Tarka Covera); HIV or AIDS treatment medications such as darunavir (Prezista), efavirenz (Sustiva), atazanavir (Reyataz), delavirdine (Rescriptor) etravirine (Intelence), fosamprenavir (Lexiva), nevirapine (Viramune), indinavir (Crixivan), nelfinavir (Viracept), ritonavir (Norvir, Kaletra), or saquinavir (Invirase); medications to fight seizures such as carbamazepine (Carbatrol, Equetro, Tegretol) and phenytoin (Dilantin).