Lipitor, also known as atorvastatin, is a medication used to treat high cholesterol levels and prevent heart disease [1]. However, there have been reports of serious health issues linked to the use of Lipitor. According to the Mayo Clinic [2], some of the side effects of Lipitor include muscle pain, liver damage, and digestive problems. The FDA has also issued a safety communication regarding the use of cholesterol-lowering statin drugs, including Lipitor [3]. The communication warns of the risk of memory loss, confusion, and other cognitive problems associated with the use of these drugs. Additionally, the FDA has required changes to the safety label of statin drugs to reflect these potential risks [3]. It is important to note that while these side effects are possible, they are relatively rare and the benefits of using Lipitor to lower cholesterol levels often outweigh the risks [2]. Patients should always consult with their healthcare provider before starting or stopping any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.fda.gov/drugs/drug-safety-and-availability/fda-drug-safety-communication-important-safety-label-changes-cholesterol-lowering-statin-drugs