Lipitor is a medication that is used to lower cholesterol levels in the blood. It belongs to a class of drugs known as statins. According to the sources provided, there are some side effects associated with taking Lipitor, especially at higher dosages.

The first source, Drug Patent Watch [1], provides information on the patent status of Lipitor. It does not provide any information on the side effects of the drug.

The second source, Mayo Clinic [2], provides information on the side effects of statins in general, including Lipitor. It states that some of the common side effects of statins include muscle pain and damage, liver damage, digestive problems, and rash or flushing. It also notes that in rare cases, statins can cause a serious condition called rhabdomyolysis, which can lead to kidney failure.

The third source, Healthline [3], provides more detailed information on the side effects of Lipitor. It states that some of the common side effects of Lipitor include headache, muscle pain, nausea, diarrhea, and constipation. It also notes that Lipitor can cause serious side effects, such as liver problems, muscle damage, and a rare but serious condition called immune-mediated necrotizing myopathy.

In conclusion, taking Lipitor at higher dosages can lead to some side effects. Some of the common side effects include headache, muscle pain, nausea, and diarrhea. In rare cases, Lipitor can cause serious side effects such as liver problems, muscle damage, and a rare but serious condition called immune-mediated necrotizing myopathy. It is important to talk to a healthcare provider about the risks and benefits of taking Lipitor, especially at higher dosages.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.healthline.com/health/drugs/lipitor