Lipitor is a commonly prescribed medication for high cholesterol. While it is effective in reducing cholesterol levels, it may also have side effects. According to the Mayo Clinic [2], common side effects of Lipitor include muscle and joint pain, nausea, diarrhea, and constipation. In rare cases, Lipitor can cause serious side effects such as liver damage, memory loss, and an increased risk of diabetes. It is important to speak with a healthcare provider if any of these side effects occur.

According to Healthline [3], Lipitor can also interact with other medications, such as blood thinners and antibiotics, which can increase the risk of side effects. It is important to inform a healthcare provider of all medications being taken to avoid potential interactions.

Drug Patent Watch [1] notes that Pfizer, the manufacturer of Lipitor, has faced legal challenges related to the drug's side effects. In 2012, Pfizer agreed to pay $430 million to settle lawsuits related to claims that Lipitor caused diabetes in some patients.

In conclusion, while Lipitor is an effective medication for reducing cholesterol levels, it may cause side effects such as muscle and joint pain, nausea, and diarrhea. Serious side effects such as liver damage and memory loss are rare but can occur. Patients should inform their healthcare provider of all medications being taken to avoid potential interactions. If any side effects occur, patients should speak with their healthcare provider.

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