Lipitor is a commonly prescribed medication used to lower cholesterol levels in the blood. The active ingredient in Lipitor is atorvastatin, which belongs to a class of drugs called statins. According to DrugPatentWatch [1], Lipitor is available in several strengths, including 10mg, 20mg, 40mg, and 80mg tablets. The recommended starting dose for most people is usually 10mg or 20mg per day, which can be increased as needed to achieve the desired cholesterol-lowering effect.

However, the appropriate dose of Lipitor can vary depending on a person's age, medical history, and other factors. As noted in a review article published in the Journal of Clinical Lipidology [2], the optimal dose of Lipitor may differ depending on a person's risk of developing cardiovascular disease. For example, individuals with a high risk of heart disease may benefit from a higher dose of Lipitor, while those with a lower risk may be prescribed a lower dose.

It is important to note that Lipitor, like all medications, can cause side effects. The most common side effects of Lipitor include muscle pain, weakness, and tenderness, which can be a sign of a rare but serious condition called rhabdomyolysis. Healthline [3] suggests that individuals taking Lipitor should contact their healthcare provider immediately if they experience any muscle pain, weakness, or tenderness, as this could be a sign of a serious side effect.

In conclusion, the appropriate dose of Lipitor can vary depending on a person's individual needs and medical history. It is important to follow the dosing instructions provided by your healthcare provider and to report any potential side effects to your healthcare provider immediately.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6310693/
[3] https://www.healthline.com/health/drugs/lipitor-dosage