Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to the sources provided, there are several medications that may interact with Lipitor.

DrugPatentWatch [1] lists several drug interactions with Lipitor, including medications that increase the risk of muscle damage (myopathy) when taken with Lipitor, such as cyclosporine, gemfibrozil, and niacin. Additionally, it warns that taking Lipitor with certain antibiotics, antifungal medications, and HIV medications may increase the risk of muscle damage.

GoodRx [2] also lists several medications that may interact with Lipitor. For example, it warns that taking Lipitor with certain blood pressure medications, such as amlodipine and diltiazem, may increase the risk of muscle damage. It also cautions against taking Lipitor with certain antidepressants, such as fluoxetine and sertraline, as well as with certain antipsychotic medications.

Drugs.com [3] provides a more comprehensive list of potential drug interactions with Lipitor. It includes medications that may increase the risk of muscle damage, as well as medications that may increase the risk of bleeding when taken with Lipitor, such as warfarin and aspirin. It also warns against taking Lipitor with certain medications that may increase the risk of liver damage, such as colchicine and telaprevir.

In conclusion, Lipitor may interact with several medications, including those that increase the risk of muscle damage, bleeding, and liver damage. Patients should always inform their healthcare provider of all medications they are taking, including prescription, over-the-counter, and herbal supplements, to avoid potential drug interactions.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/interactions
[3] https://www.drugs.com/drug-interactions/atorvastatin,lipitor.html