Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], there are no known drug interactions between Lipitor and any other medication. However, it is always recommended to consult with a healthcare provider before combining medications.

GoodRx [2] also states that there are no known interactions between Lipitor and other medications. However, it is important to note that certain medications may increase the risk of muscle pain or liver damage when taken with Lipitor. These medications include antibiotics, antifungal medications, and certain heart medications.

A study published in the National Center for Biotechnology Information [3] found that combining Lipitor with certain medications, such as gemfibrozil, can increase the risk of muscle pain and damage. The study recommends that healthcare providers monitor patients closely for signs of muscle pain or damage when combining Lipitor with other medications.

In conclusion, there are no known drug interactions between Lipitor and other medications, according to Drug Patent Watch and GoodRx. However, certain medications may increase the risk of muscle pain or liver damage when taken with Lipitor. It is important to consult with a healthcare provider before combining medications and to monitor for any potential side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/interactions
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5438352/