Lipitor, also known as atorvastatin, is a medication that belongs to the statin drug class. Statins work by blocking the enzyme that produces cholesterol in the liver, thereby reducing the amount of cholesterol in the bloodstream [3].

According to the Drug Patent Watch website, Lipitor is approved for the treatment of high cholesterol, which is defined as a total cholesterol level of 240 milligrams per deciliter (mg/dL) or higher [1]. However, it is also prescribed to people with lower cholesterol levels who have other risk factors for heart disease, such as diabetes, high blood pressure, or a family history of heart disease [2].

Medical News Today reports that Lipitor has been shown to be effective in reducing cholesterol levels in a wide range of patients, including those with high cholesterol and those with moderately elevated cholesterol levels [2]. The medication has also been found to reduce the risk of heart attack, stroke, and other cardiovascular events in people with or without preexisting heart disease [2].

However, it is important to note that Lipitor may not be effective for everyone. Some people may not respond to the medication, while others may experience side effects such as muscle pain, liver damage, or an increased risk of developing diabetes [2]. Additionally, Lipitor should not be used by pregnant or breastfeeding women or people with liver disease [3].

In conclusion, Lipitor is an effective medication for reducing cholesterol levels in people with high cholesterol or other risk factors for heart disease. While it may not be effective for everyone and can cause side effects, it has been shown to reduce the risk of cardiovascular events in many patients [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/248136
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statins/art-20045772