It may take several weeks for this medicine to work. If you feel that cilostazol is not working, do not stop taking it on your own. Instead, check with your doctor.
Smoking tobacco products, such as cigarettes, may worsen your condition since nicotine may further narrow blood vessels and may also affect how this medicine works. Therefore, it is best to avoid smoking.
You should not take cilostazol with grapefruit juice. You may, however, take it with other citrus juices.