Lipitor is a medication used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], Lipitor is the brand name for atorvastatin calcium, which is a type of statin medication. Statins work by blocking the enzyme that produces cholesterol in the liver, thereby reducing the amount of cholesterol in the blood. However, like all medications, Lipitor has side effects, including memory loss. According to the Mayo Clinic [2], memory loss is a rare but possible side effect of statin medications such as Lipitor.

The FDA has issued a safety communication regarding the use of statin medications such as Lipitor [3]. The FDA warns that statins can cause cognitive impairment, such as memory loss, and that this side effect may be more likely in elderly patients and in those taking higher doses of the medication. The FDA recommends that patients taking statin medications be monitored for signs of cognitive impairment, and that healthcare providers consider reducing the dose of the medication or switching to a different medication if cognitive impairment is suspected.

In conclusion, while Lipitor is an effective medication for lowering cholesterol levels, it can cause memory loss as a side effect. The FDA recommends that healthcare providers monitor patients taking statin medications for signs of cognitive impairment and consider adjusting the dose or switching to a different medication if necessary. It is important for patients to discuss any concerns about side effects with their healthcare provider.

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