Cilostazol Rx

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Intermittent claudication
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Generic Name and Formulations:

Cilostazol 50mg, 100mg; tabs.

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Indications for Cilostazol:

Intermittent claudication.


100mg twice daily, ½ hr before or 2 hrs after breakfast and dinner. May reduce to 50mg twice daily if used with CYP3A4 or CYP2C19 inhibitors.


Not established.


Heart failure of any severity.

Boxed Warning:

Contraindicated in heart failure patients.


Risk of tachycardia, palpitation, tachyarrhythmia, or hypotension. Risk of exacerbations of angina pectoris or MI in patients with history of ischemic heart disease. LV outflow tract obstruction: monitor for development of a new systolic murmur or cardiac symptoms. Monitor platelets and WBC periodically. Avoid use in hemostatic disorders or active pathologic bleeding. Moderate-to-severe hepatic impairment. Severe renal impairment. Dialysis. Pregnancy (Cat.C). Nursing mothers: not recommended.

Pharmacological Class:

Phosphodiesterase 3 (PDE3) inhibitor.


Potentiated by drugs that inhibit CYP3A4 (eg, azole antifungals, macrolides, diltiazem, protease inhibitors) or CYP2C19 (eg, omeprazole, fluconazole, fluoxetine, ticlopidine). Avoid grapefruit juice. Cilostazol has been used with aspirin; caution with other antiplatelets, anticoagulants.

Adverse Reactions:

Headache, diarrhea, abnormal stools, palpitations, peripheral edema, dizziness, pharyngitis, infection, tachycardia; rare: thrombocytopenia, leukopenia.

How Supplied: