Certain other drugs can increase your risk of serious muscle problems, and it is very important that your doctor knows if you are using any of them. Tell your doctor about all your current medicines and any you start or stop using, especially:
other cholesterol-lowering medication;
antibiotic or antifungal medicine;
birth control pills;
medicine to prevent organ transplant rejection;
heart medication; or
medicine to treat hepatitis C or HIV.
This list is not complete. Many other drugs may interact with atorvastatin, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
 Lipitor drug interactions (more detail)
