Lipitor is a medication used to lower cholesterol levels in the blood. However, it is not recommended to stop taking Lipitor without consulting a doctor, even if cholesterol levels are too low. According to the Mayo Clinic [3], statins, such as Lipitor, are known to have side effects, but stopping the medication can lead to a higher risk of heart attack or stroke. The article by UnityPoint Health [2] states that stopping statins can cause cholesterol levels to rise again, which can lead to further health complications. It is important to note that the decision to stop taking Lipitor should be made in consultation with a doctor, who can evaluate the risks and benefits of continuing the medication. The Drug Patent Watch [1] provides information on the patent status of Lipitor, but does not offer any information on whether it is safe to stop taking the medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.unitypoint.org/news-and-articles/can-you-stop-taking-statins-once-you-start
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013