Lipitor is a brand name for atorvastatin, a medication used to lower high cholesterol levels in the blood. It belongs to a class of drugs called statins, which work by blocking the enzyme that produces cholesterol in the liver [1]. Although Lipitor is generally safe and well-tolerated, it can cause some side effects, including low cholesterol levels.

Low cholesterol levels can lead to various health problems, such as an increased risk of bleeding, depression, and anxiety. Studies have shown that low levels of cholesterol may also increase the risk of cancer, Parkinson's disease, and cognitive impairment [2][3]. However, the risk of these complications is generally low and varies depending on the individual's overall health status and other risk factors.

It is important to note that the benefits of taking Lipitor usually outweigh the risks, especially for people with high cholesterol levels and a high risk of heart disease. However, if you experience any side effects while taking Lipitor, including low cholesterol levels, you should talk to your doctor immediately.

In conclusion, Lipitor is an effective medication for lowering high cholesterol levels, but it can cause some side effects, including low cholesterol levels. While low cholesterol levels can increase the risk of certain health problems, the risk is generally low and varies depending on the individual. If you experience any side effects while taking Lipitor, you should talk to your doctor immediately to discuss your options.

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.ncbi.nlm.nih.gov/pmc/articles/PMC6019636/