As an AI language model, I cannot take Lipitor or any other medication. However, I can provide you with information based on the sources you provided regarding stopping the use of Lipitor.

Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], the patent for Lipitor expired in 2011, which means that other companies can now produce and sell generic versions of the drug.

If you are taking Lipitor or any other statin medication, it is essential to follow your doctor's instructions regarding its use. According to GoodRx [2], there are several reasons why you should not stop taking your cholesterol-lowering medication without consulting your doctor, including the risk of heart attack, stroke, and other cardiovascular events. Additionally, stopping statins abruptly can cause a rebound effect, leading to a sudden increase in cholesterol levels.

UnityPoint Health [3] suggests that if you are considering stopping your statin medication, you should talk to your doctor first. Your doctor can help you weigh the risks and benefits of continuing or stopping your medication and develop a plan that is best for you.

In conclusion, if you are taking Lipitor or any other statin medication, it is essential to follow your doctor's instructions regarding its use. Stopping the medication without consulting your doctor can lead to serious health risks. If you are considering stopping your medication, talk to your doctor first to develop a plan that is best for you.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/classes/statins/stopping-statins-eight-reasons-you-should-not-stop-your-cholesterol-drug
[3] https://www.unitypoint.org/news-and-articles/can-you-stop-taking-statins-once-you-start