Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], Lipitor was approved by the FDA in 1996 and is a prescription drug. The recommended dose of Lipitor is 10-80 mg per day, and it is usually taken once daily.

Like all medications, Lipitor has potential side effects that patients should be aware of. According to Medical News Today [2], some of the common side effects of Lipitor include muscle pain, weakness, and tenderness, as well as diarrhea, constipation, and stomach pain. Additionally, Lipitor can cause liver damage in rare cases, and patients should seek medical attention if they experience symptoms such as dark urine, yellowing of the skin or eyes, or upper abdominal pain.

It is important for patients taking Lipitor to monitor their side effects regularly. According to the National Center for Biotechnology Information [3], patients should report any side effects to their healthcare provider immediately. Additionally, patients should have their liver function tested before starting Lipitor and periodically thereafter. The frequency of monitoring will depend on the patient's individual risk factors and medical history.

In summary, Lipitor is a prescription medication used to lower cholesterol levels. Patients should be aware of the potential side effects of Lipitor, including muscle pain, weakness, and tenderness, as well as liver damage in rare cases. Patients should monitor their side effects regularly and report any symptoms to their healthcare provider immediately. The frequency of monitoring will depend on the patient's individual risk factors and medical history.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/drugs-lipitor-side-effects
[3] https://www.ncbi.nlm.nih.gov/books/NBK430779/