Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood [1]. It is not a blood thinner, but it can cause bleeding in rare cases. According to SingleCare, atorvastatin can cause bleeding in the digestive tract, skin, or brain in rare cases [2]. However, it is not clear whether this bleeding is directly caused by the medication or by other factors.

Blood thinners, also known as anticoagulants, are medications used to prevent blood clots from forming or getting bigger [2]. These medications can increase the risk of bleeding, especially if taken in combination with other medications or if the dosage is too high. According to NBC News, people taking blood thinners such as warfarin, dabigatran, or apixaban should avoid using marijuana, as it can increase the risk of bleeding [3].

In conclusion, while Lipitor is not a blood thinner, it can cause bleeding in rare cases. Blood thinners, on the other hand, can increase the risk of bleeding, especially if taken in combination with other medications. It is important to consult with a healthcare provider before taking any medication, especially if you are already taking other medications or have a history of bleeding disorders.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.singlecare.com/blog/is-atorvastatin-a-blood-thinner/
[3] https://www.nbcnews.com/health/heart-health/marijuana-risky-people-taking-common-heart-medications-n1118181