Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. According to the sources provided, there are potential interactions between Lipitor and certain pain medications.

WebMD [1] states that Lipitor may interact with pain medications such as aspirin, acetaminophen, and nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen. These interactions may increase the risk of side effects such as bleeding or stomach ulcers.

GoodRx [2] lists several specific pain medications that may interact with Lipitor, including fentanyl, tramadol, and methadone. These interactions may increase the risk of muscle problems or kidney damage.

DrugPatentWatch [3] does not provide information on drug interactions, but notes that Lipitor is a brand-name drug that has been approved by the FDA and is currently protected by patents.

It is important to discuss any potential interactions between Lipitor and pain medications with a healthcare provider before taking these medications together. They can provide guidance on the appropriate dosages and monitor for any potential side effects.

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