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Lipitor, a common statin medication used to lower cholesterol levels, may have side effects including an increased risk of bleeding in certain individuals. Statins like Lipitor are generally well-tolerated, but in some cases, they can lead to adverse effects such as muscle pain, liver damage, and an increased risk of bleeding [2]. A study published in the American Heart Association's journal Stroke indicated that statin therapy, including Lipitor, was associated with a higher risk of intracerebral hemorrhage, a type of bleeding in the brain [3]. While the overall benefits of statins in reducing cardiovascular risk often outweigh the potential risks, it is essential for individuals taking Lipitor to be aware of these side effects and consult with their healthcare provider if they have concerns about bleeding risks or experience any unusual symptoms [2][3].

Sources:
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.ahajournals.org/doi/full/10.1161/STROKEAHA.119.027301