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Cilostazol tablets are indicated for the reduction of symptoms of intermittent claudication, as demonstrated by an increased walking distance. Cilostazol is a phosphodiesterase III inhibitor (PDE III inhibitor) indicated for the reduction of symptoms of intermittent claudication, as demonstrated by an increased walking distance ( 1 )

Cilostazol is 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. Hypersensitivity to cilostazol or any components of cilostazol tablets (e.g., anaphylaxis, angioedema) Heart failure of any severity ( 4 ) Hypersensitivity to cilostazol or any components of cilostazol tablets ( 4 )

Risks of tachycardia, palpitation, tachyarrhythmia or hypotension. Risks of exacerbations of angina pectoris or myocardial infarction in patients with a history of ischemic heart disease ( 5.2 ) Left ventricular outflow tract obstruction has been reported in patients with sigmoid shaped interventricular septum ( 5.1 ) Risks of thrombocytopenia or leukopenia progressing to agranulocytosis-monitor platelets and white blood cell counts ( 5.3 ) Avoid use in patients with hemostatic disorders or active pathologic bleeding ( 5.4 ) 5.1 Tachycardia Cilostazol may induce tachycardia, palpitation, tachyarrhythmia or hypotension. The increase in heart rate associated with cilostazol is approximately 5 to 7 bpm. Patients with a history of ischemic heart disease may be at risk for exacerbations of angina pectoris or myocardial infarction. 5.2 Left Ventricular Outflow Tract Obstruction Left ventricular outflow tract obstruction has been reported in patients with sigmoid shaped interventricular septum. Monitor patients for the development of a new systolic murmur or cardiac symptoms after starting cilostazol. 5.3 Hematologic Adverse Reactions Cases of thrombocytopenia or leukopenia progressing to agranulocytosis when cilostazol was not immediately discontinued have been reported. Agranulocytosis is reversible on discontinuation of cilostazol. Monitor platelets and white blood cell counts periodically. 5.4 Hemostatic Disorders or Active Pathologic Bleeding Cilostazol inhibits platelet …

8.1 Pregnancy Teratogenic Effects Pregnancy Category C. Cilostazol has been shown to be teratogenic in rats at doses that are greater than 5-times the human MRHD on a body surface area basis. There are no adequate and well-controlled studies in pregnant women. In a rat developmental toxicity study, oral administration of 1000 mg cilostazol/kg/day was associated with decreased fetal weights, and increased incidences of cardiovascular, renal, and skeletal anomalies (ventricular septal, aortic arch and subclavian artery abnormalities, renal pelvic dilation, 14 th rib, and retarded ossification). At this dose, systemic exposure to unbound cilostazol in nonpregnant rats was about 5 times the …