WARNING: CONTRAINDICATED IN HEART FAILURE PATIENTS Cilostazol tablets are contraindicated in patients with heart failure of any severity. Cilostazol and several of its metabolites are inhibitors of phosphodiesterase III. Several drugs with this pharmacologic effect have caused decreased survival compared to placebo in patients with class III-IV heart failure [see Contraindications ( 4 )] . WARNING: CONTRAINDICATED IN HEART FAILURE PATIENTS See full prescribing information for complete boxed warning. Cilostazol tablets is contraindicated in patients with heart failure of any severity. Cilostazol and several of its metabolites are inhibitors of phosphodiesterase III. Several drugs with the pharmacologic effect have caused decreased survival compared to placebo patients with class III-IV heart failure. (4)
Adult Dosing
General dosing
The recommended dosage of cilostazol is 100 mg twice daily taken at least half an hour before or two hours after breakfast and dinner Reduce the dose to 50 mg twice daily when coadministered with CYP3A4 inhibitors such as ketoconazole, itraconazole, erythromycin, and diltiazem, or CYP2C19 inhibitors such as ticlopidine, fluconazole, and omeprazole 2.1 Recommended dosage The recommended dosage of cilostazol is 100 mg twice daily taken at least half an hour before or two hours after breakfast and dinner. Patients may respond as early as 2 to 4 weeks after the initiation of therapy, but treatment for up to 12 weeks may be needed before a beneficial effect is experienced. If symptoms are unimproved after 3 months, discontinue cilostazol. 2.2 Dose Reduction with CYP3A4 and CYP2C19 Inhibitors Reduce dose to 50 mg twice daily when coadministered with strong or moderate inhibitors of CYP3A4 (e.g., ketoconazole, itraconazole, erythromycin, and diltiazem) or inhibitors of CYP2C19 (e.g., ticlopidine, fluconazole, and omeprazole) .
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