Lipitor and aspirin are two different drugs that have different mechanisms of action. Lipitor is a statin drug that is used to lower cholesterol levels in the blood, while aspirin is a nonsteroidal anti-inflammatory drug (NSAID) that is used to reduce pain, fever, and inflammation.

There is no known interaction between Lipitor and aspirin. However, some studies suggest that taking aspirin with Lipitor may reduce the risk of heart attacks and strokes in people with cardiovascular disease. This is because aspirin helps to prevent blood clots, while Lipitor helps to lower cholesterol levels, which are both risk factors for heart disease.

It is important to note that taking aspirin and Lipitor together may increase the risk of bleeding, especially in people who are already at risk of bleeding. Therefore, it is important to talk to a doctor before taking these drugs together.

In conclusion, Lipitor and aspirin are two different drugs that have different mechanisms of action. While there is no known interaction between the two drugs, taking aspirin with Lipitor may reduce the risk of heart attacks and strokes in people with cardiovascular disease. However, it is important to talk to a doctor before taking these drugs together to avoid any potential risks.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthcentral.com/article/aspirin-lipitor-time
[3] https://jeccr.biomedcentral.com/articles/10.1186/s13046-016-0304-4