Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. Blood thinners, on the other hand, are medications that prevent blood clots from forming. The question of whether Lipitor can be taken with blood thinners is a common one. According to the sources provided, there is no direct interaction between Lipitor and blood thinners.

However, caution should be exercised when taking Lipitor with certain blood thinners, such as warfarin. Warfarin is a blood thinner that is metabolized by the liver, and Lipitor can increase the concentration of warfarin in the blood, leading to an increased risk of bleeding. Therefore, if a patient is taking warfarin, their doctor may need to adjust the dosage of warfarin to avoid this potential interaction [1].

It is important to note that while Lipitor is not a blood thinner, it can have an effect on blood clotting. Specifically, it can reduce the production of a protein called fibrinogen, which is involved in blood clotting. This effect is not significant enough to be considered a blood-thinning effect, but it is worth noting for patients who are at risk of bleeding [2].

In summary, there is no direct interaction between Lipitor and blood thinners. However, caution should be exercised when taking Lipitor with certain blood thinners, such as warfarin. Patients should always consult with their doctor before taking any new medications or changing their medication regimen.

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