Cilostazol (> 50 mg)/Strong & Moderate 3A4 Inhibitors that Prolong QT Interactions
This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.
Severe. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When these two medicines are taken together, your body may not process cilostazol properly. Also, both medicines can affect your heart's rhythm.
What might happen:
Your blood levels of cilostazol may increase and cause harmful effects. Taking these medicines together may also increase your risk of an irregular heartbeat, which may be life-threatening.
What you should do about this interaction:
Contact your doctor if you experience headache; diarrhea; dizziness; or bloating or swelling of the ankles, feet, or hands. The dose of your medicines may need adjusting. Let your doctor know right away if you notice an irregular heartbeat or have any dizziness or fainting episodes.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this drug interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
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- 3.Suri A, Forbes WP, Bramer SL. Effects of CYP3A inhibition on the metabolism of cilostazol. Clin Pharmacokinet 1999;37 Suppl 2:61-8.
- 4.Abbas R, Chow CP, Browder NJ, Thacker D, Bramer SL, Fu CJ, Forbes W, Odomi M, Flockhart DA. In vitro metabolism and interaction of cilostazol with human hepatic cytochrome P450 isoforms. Hum Exp Toxicol 2000 Mar; 19(3):178-84.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.