Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], Lipitor may interact with other medications. GoodRx [2] lists several medications that may interact with Lipitor, including certain antibiotics, antifungal medications, and HIV medications. These interactions may increase the risk of side effects or decrease the effectiveness of either medication. It is important to inform your doctor of all medications you are taking before starting Lipitor.

WebMD [3] provides a list of medications that may interact with Lipitor, including certain blood thinners, immunosuppressants, and some medications used to treat heart conditions. It is important to note that not all possible interactions are listed and you should always inform your doctor of all medications you are taking before starting Lipitor.

In conclusion, Lipitor may interact with other medications, which can increase the risk of side effects or decrease the effectiveness of either medication. It is important to inform your doctor of all medications you are taking before starting Lipitor to avoid any potential interactions.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/interactions
[3] https://www.webmd.com/drugs/2/drug-3330/lipitor-oral/details