If cyclosporine, gemfibrozil, or warfarin is taken with Crestor, drug interactions may occur. They can also occur if it is combined with ketoconazole, antacids, or birth control pills. Since some Crestor drug interactions can lead to serious health problems -- in particular, those affecting the muscles -- it's important to talk to your healthcare provider before taking a new drug in addition to Crestor.
Crestor® (rosuvastatin calcium) can potentially interact with a number of other medications. Some of the medications that may lead to Crestor drug interactions include: