Lipitor is a brand name for the drug atorvastatin, which is a type of medication known as a statin. Statins are commonly used to lower cholesterol levels and reduce the risk of heart disease and stroke [1]. Stopping Lipitor without consulting a doctor can have several risks and consequences.

Firstly, stopping Lipitor can increase the risk of heart attack and stroke. This is because statins work by blocking the production of cholesterol in the liver, which can help to prevent the buildup of plaque in the arteries. If a person stops taking Lipitor, their cholesterol levels may increase, and this can lead to a higher risk of heart disease and stroke [2].

Secondly, stopping Lipitor suddenly can cause a rebound effect, where the body produces more cholesterol than usual. This can lead to a sudden increase in cholesterol levels, which can be dangerous for people with pre-existing heart conditions or those at high risk of heart disease [3].

Thirdly, stopping Lipitor can cause muscle pain and weakness, which is a common side effect of statins. This can be particularly problematic for people who are already experiencing muscle pain or weakness, as stopping Lipitor can exacerbate these symptoms [2].

In conclusion, stopping Lipitor without consulting a doctor can have several risks and consequences, including an increased risk of heart attack and stroke, a rebound effect causing a sudden increase in cholesterol levels, and muscle pain and weakness. Therefore, it is important to speak to a healthcare provider before making any changes to medication regimens [2][3].

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.medicalnewstoday.com/articles/325834