DRUG INTERACTIONS: See also Warning and How to Use sections.Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.This drug should not be used with the following medications because very serious interactions may occur: alfuzosin, certain benzodiazepines (e.g., oral midazolam, triazolam, alprazolam, estazolam), conivaptan, eletriptan, eplerenone, ivabradine, ranolazine, vardenafil.If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting itraconazole.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: amiodarone, calcium channel blockers (e.g., verapamil, nifedipine), drugs affecting liver enzymes that remove itraconazole from your body (such as macrolide antibiotics including erythromycin; cimetidine; isoniazid; rifamycins including rifabutin; nevirapine; certain anti-seizure medicines including carbamazepine; phenytoin).This drug can slow down the removal of other drugs from your body by affecting certain liver enzymes. These affected drugs include certain antiarrhythmic medications (e.g., disopyramide, digoxin), certain chemotherapy drugs (e.g., busulfan, docetaxel, vinblastine, sunitinib, lapatinib, dasatinib), certain benzodiazepines (e.g., diazepam, injectable midazolam), certain immunosuppressants (e.g., tacrolimus, cyclosporine, sirolimus), certain "statin" drugs (e.g., atorvastatin), HIV protease inhibitors (e.g., indinavir, ritonavir, saquinavir), halofantrine, alfentanil, fentanyl, buspirone, repaglinide, certain glucocorticosteroids (e.g., dexamethasone, budesonide), certain drugs to treat erectile dysfunction-ED or pulmonary hypertension (e.g., sildenafil, tadalafil), trimetrexate, aripiprazole, trazodone, tolterodine, "blood thinners" (e.g., warfarin), and cilostazol.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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