Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. It is not a blood thinner [3]. Blood thinners, also known as anticoagulants, are medications that prevent blood clots from forming. Therefore, taking Lipitor with blood thinners may be necessary for some individuals with high cholesterol and a risk of blood clots. However, it is important to consult with a healthcare provider before taking any new medication, especially if already taking blood thinners.

According to Drug Patent Watch [1], there are no known drug interactions between Lipitor and blood thinners. However, some blood thinners, such as warfarin, require close monitoring of the international normalized ratio (INR) to ensure that the blood is not too thin. Lipitor may increase the INR in individuals taking warfarin, which could lead to an increased risk of bleeding. Therefore, it is important to monitor the INR closely when taking Lipitor with warfarin.

Healthline [2] also notes that while there are no known interactions between Lipitor and blood thinners, it is important to monitor for any signs of bleeding or bruising while taking both medications. This includes unusual bleeding from the gums, nosebleeds, and blood in the urine or stool.

In conclusion, Lipitor can be safely taken with blood thinners in some cases, but it is important to consult with a healthcare provider before taking any new medication. While there are no known drug interactions between Lipitor and blood thinners, it is important to monitor for any signs of bleeding or bruising and to closely monitor the INR in individuals taking warfarin.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/drugs/lipitor
[3] https://www.singlecare.com/blog/is-atorvastatin-a-blood-thinner/