Lipitor is a medication used to lower cholesterol levels in the blood, which can help prevent heart attacks, strokes, and other cardiovascular problems. According to the first source [1], Lipitor's patent expired in 2011, and since then, generic versions of the drug have become available. The second source [2] is a study that explores the effects of reducing the dosage of statins, including Lipitor, on patients with high cholesterol. The third source [3] is an article that discusses how to safely come off statins.

The decision to reduce the dosage of Lipitor or any other statin should only be made after consulting a doctor. The study cited in source [2] found that reducing the dosage of statins can be effective in reducing cholesterol levels in some patients, but it may not work for everyone. Additionally, reducing the dosage of statins may increase the risk of cardiovascular events in some patients, so it is important to consult a doctor before making any changes to the dosage.

Source [3] provides some general guidelines for safely coming off statins, which may include gradually reducing the dosage over several weeks or months. However, it is important to note that stopping statins altogether can increase the risk of cardiovascular events, especially in patients who have already had a heart attack or stroke.

In conclusion, the decision to reduce the dosage of Lipitor or any other statin should only be made after consulting a doctor. While reducing the dosage may be effective in some patients, it may not work for everyone and may increase the risk of cardiovascular events in some cases. Patients who are considering coming off statins should do so gradually and under the guidance of a doctor to minimize the risk of complications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/24030088/
[3] https://www.healthline.com/health/high-cholesterol/how-to-safely-come-off-statins