According to the sources provided, Lipitor (atorvastatin) may interact with several other medications. GoodRx [2] reports that there are 394 drugs that may interact with Lipitor, including common medications like aspirin, ibuprofen, and other nonsteroidal anti-inflammatory drugs (NSAIDs). It is essential to consult with a healthcare provider before taking any new medications with Lipitor. The NHS [3] also provides a list of medications that may interact with atorvastatin, including antibiotics, antifungals, and other cholesterol-lowering medications. It is essential to inform your healthcare provider of all medications, supplements, and vitamins you are taking to prevent any harmful interactions. Drug Patent Watch [1] lists several patents for Lipitor, but it does not provide information on the medication's interactions with other drugs.

In summary, Lipitor (atorvastatin) may interact with several other medications, including common drugs like aspirin and ibuprofen. It is crucial to inform your healthcare provider of all medications, supplements, and vitamins you are taking to prevent any harmful interactions. It is recommended to consult with a healthcare provider before taking any new medications with Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/interactions
[3] https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/