Lipitor is a widely prescribed medication for lowering cholesterol levels. However, like any medication, it can have rare side effects. According to [1], the rare side effects of Lipitor include liver problems, muscle damage, and an increased risk of diabetes. It is important to note that these side effects are rare, but they can occur.

The FDA has issued a safety communication regarding the use of statin drugs, including Lipitor, stating that they may increase the risk of memory loss and confusion, as well as an increased risk of diabetes [2]. The FDA advises patients to contact their healthcare provider if they experience any of these symptoms while taking Lipitor or any other statin medication.

According to [3], some of the warning signs of liver problems caused by Lipitor may include yellowing of the skin or eyes, dark urine, and abdominal pain. Muscle damage caused by Lipitor may cause muscle pain, weakness, or tenderness. If a patient experiences any of these symptoms, they should contact their healthcare provider immediately.

In conclusion, while the rare side effects of Lipitor are uncommon, patients should be aware of the warning signs of liver problems and muscle damage. Additionally, the FDA advises patients to contact their healthcare provider if they experience memory loss, confusion, or an increased risk of diabetes while taking Lipitor or any other statin medication. It is important to always consult with a healthcare provider before starting or stopping any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.fda.gov/drugs/drug-safety-and-availability/fda-drug-safety-communication-important-safety-label-changes-cholesterol-lowering-statin-drugs
[3] https://www.medicalnewstoday.com/articles/drugs-lipitor-side-effects