Drug interactions with atorvastatin can occur with medications such as fibrates, antacids, and warfarin. Atorvastatin may also interact with birth control pills, digoxin, and cyclosporine. In addition to these drug interactions, the medication may also interact with grapefruit. People taking atorvastatin should not drink grapefruit juice, eat grapefruit, or take supplements containing grapefruit.
Atorvastatin calcium (Lipitor®) potentially has a number of other medicines with which it can interact. Some possible drug interactions with atorvastatin can include: