Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels and prevent heart disease. While it is generally considered safe, there are potential side effects and risks associated with its use.

According to the sources provided, symptoms of Lipitor toxicity may include muscle pain, weakness, and tenderness, particularly in the legs. This is due to a rare but serious condition called rhabdomyolysis, which is characterized by the breakdown of muscle tissue that can lead to kidney damage and other complications. Patients may also experience fatigue, fever, and dark urine, which are also signs of rhabdomyolysis [1][2].

Other potential side effects of Lipitor include headache, nausea, diarrhea, and abdominal pain. In rare cases, it may also cause liver damage or an allergic reaction [2].

It is important to note that Lipitor should only be taken under the supervision of a healthcare provider, who can monitor for any potential side effects or interactions with other medications. Patients should also inform their doctor if they experience any unusual symptoms while taking Lipitor [3].

In conclusion, while Lipitor is generally considered safe and effective for lowering cholesterol levels, it can cause rare but serious side effects such as rhabdomyolysis. Patients should be aware of the potential symptoms of Lipitor toxicity and inform their doctor if they experience any unusual symptoms while taking the medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ahajournals.org/doi/full/10.1161/CIRCRESAHA.118.312782
[3] https://lagunatreatment.com/drug-abuse/lipitor/