Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. When taking Lipitor, it is important to consider potential drug interactions with other medications, including pain medications. According to the sources provided, there are no known interactions between Lipitor and most pain medications. However, it is still important to consult with a healthcare provider before taking any new medications while on Lipitor.

The first source provided, Drug Patent Watch [1], does not provide information on drug interactions but rather focuses on the patent status of Lipitor.

The second source, WebMD [2], lists common and serious side effects of Lipitor, but does not specifically address pain medication interactions. However, the website does advise individuals taking Lipitor to inform their healthcare provider of all medications they are taking, including over-the-counter pain medications.

The third source, Mayo Clinic [3], provides information on the potential side effects of statins, a class of drugs that includes Lipitor. The website notes that most pain medications, including acetaminophen (Tylenol) and nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen (Advil) and naproxen (Aleve), are generally safe to take with statins. However, the website advises individuals to consult with their healthcare provider before taking any new medications while on Lipitor.

In conclusion, while there are no known interactions between Lipitor and most pain medications, it is still important to consult with a healthcare provider before taking any new medications while on Lipitor. It is also important to inform healthcare providers of all medications, including over-the-counter pain medications, that are being taken while on Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.webmd.com/drugs/2/drug-3330/lipitor-oral/details
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013