Lipitor, also known as atorvastatin, is a prescription medication used to lower cholesterol levels in the blood. While it is generally considered safe and effective, there are potential side effects and risks associated with its use.

According to the Mayo Clinic [2], the most common side effects of Lipitor include headache, muscle aches and pains, nausea, diarrhea, and constipation. More serious side effects, although rare, can include liver damage, muscle damage, and an increased risk of diabetes. Patients taking Lipitor should also be aware of potential drug interactions with other medications, including some antibiotics and antifungal drugs.

Additionally, Lipitor can cause a rare but serious condition called rhabdomyolysis [3]. This occurs when muscle tissue breaks down and releases a protein called myoglobin into the bloodstream, which can cause kidney damage or failure. Symptoms of rhabdomyolysis can include muscle pain, weakness, and dark urine, and it requires immediate medical attention.

It is important for patients taking Lipitor to be aware of these potential risks and to discuss any concerns with their healthcare provider. In some cases, the benefits of taking Lipitor may outweigh the risks, but this decision should be made on an individual basis.

Sources:
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.ncbi.nlm.nih.gov/books/NBK548236/
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR