Lipitor is a widely prescribed medication used to lower cholesterol levels and reduce the risk of heart disease. While it is generally well-tolerated, there have been reports of liver damage associated with its use.

According to DrugPatentWatch [1], Lipitor is one of the most commonly prescribed medications in the United States, with over 100 million prescriptions filled since its approval in 1996. However, the website does not provide information on the incidence of liver damage caused by the drug.

The Mayo Clinic [2] notes that while liver damage is a rare side effect of statins (the class of drugs that includes Lipitor), it can occur. Symptoms of liver damage may include fatigue, loss of appetite, abdominal pain, and dark-colored urine. The Mayo Clinic advises patients to seek medical attention if they experience any of these symptoms while taking Lipitor or other statins.

A study published by the National Center for Biotechnology Information [3] found that liver damage caused by statins is generally rare, occurring in less than 1% of patients taking the drugs. However, the study notes that the risk of liver damage may be higher in certain populations, such as those with pre-existing liver disease or those taking other medications that can affect liver function.

In conclusion, while liver damage is a potential side effect of Lipitor and other statins, it is generally rare. Patients taking these medications should be aware of the symptoms of liver damage and seek medical attention if they experience any of them. The risk of liver damage may be higher in certain populations, so patients should discuss their medical history and any other medications they are taking 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.ncbi.nlm.nih.gov/books/NBK548236/