Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. It belongs to a class of drugs called statins, which work by blocking the enzyme responsible for producing cholesterol in the liver [1]. According to Drug Patent Watch, Lipitor was first approved by the FDA in 1996 and has since become one of the most widely prescribed drugs in the United States [1].

Research shows that Lipitor is effective in reducing high cholesterol levels in the blood. A study published in the Journal of the American College of Cardiology found that Lipitor was effective in reducing low-density lipoprotein (LDL) cholesterol levels by 50-60% in patients with hypercholesterolemia [3]. Another study published in the American Journal of Cardiology found that Lipitor was more effective than other statins in reducing LDL cholesterol levels in patients with high cholesterol [3].

However, like all medications, Lipitor may cause side effects. According to the Mayo Clinic, common side effects of statins like Lipitor include muscle pain, liver damage, and digestive problems [2]. In rare cases, statins may also cause a serious condition called rhabdomyolysis, which can lead to kidney damage or failure [2]. It is important to discuss the risks and benefits of Lipitor with a healthcare provider before starting treatment.

In conclusion, Lipitor is an effective medication for reducing high cholesterol levels in the blood. However, it may cause side effects, and patients should discuss the risks and benefits with their healthcare provider before starting treatment.

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://pubmed.ncbi.nlm.nih.gov/25760954/