Lipitor, also known as Atorvastatin, is a medication used to lower cholesterol levels in the body. While it is generally considered safe and effective, there are potential side effects that patients should be aware of.

According to Drug Patent Watch [1], the most common side effects of Lipitor include muscle pain, diarrhea, and joint pain. Less common side effects include memory loss, confusion, and liver problems. It is important to note that while these side effects are rare, they can be serious and should be reported to a doctor immediately if experienced.

The Mayo Clinic [2] notes that while muscle pain is a common side effect of statins, including Lipitor, it is important to differentiate between normal muscle soreness and more serious muscle damage. Patients should seek medical attention if they experience unexplained muscle pain, tenderness, or weakness, especially if accompanied by fever or fatigue.

The NHS [3] also warns that Lipitor can cause allergic reactions in some patients, which can manifest as skin rashes, itching, and swelling of the face, lips, tongue, or throat. Patients should seek emergency medical attention if they experience any of these symptoms.

In conclusion, while Lipitor is generally considered safe and effective, there are potential side effects that patients should be aware of. Common side effects include muscle pain, diarrhea, and joint pain, while less common but more serious side effects include memory loss, confusion, and liver problems. Patients should seek medical attention if they experience any of these symptoms or have concerns about taking the medication.

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.nhs.uk/medicines/atorvastatin/side-effects-of-atorvastatin/