Lipitor is a medication used to lower cholesterol levels in the body. It contains the active ingredient atorvastatin and is available in different dosages. According to the drug patent watch [1], the recommended starting dose of Lipitor for most adults is 10-20 mg per day, and the maximum dose is 80 mg per day. However, the dosage may vary depending on the individual's age, medical condition, and other factors.

The FDA label for Lipitor [2] states that the recommended starting dose is 10-20 mg per day, and the maximum dose is 80 mg per day. The label also states that the dosage should be adjusted based on the individual's response to the medication and any adverse effects they may experience. There is no mention of age-related dosage adjustments in the label.

A study published in the Journal of Pharmacy Practice [3] suggests that there is no need to adjust the dosage of Lipitor based on age alone. The study analyzed data from 120 patients aged 65 years and older who were taking Lipitor and found that age did not significantly affect the effectiveness or safety of the medication. However, the study did recommend monitoring elderly patients more closely for adverse effects.

In conclusion, while there is no specific mention of age-related dosage adjustments for Lipitor in the FDA label, the recommended dosage may vary depending on the individual's response to the medication and medical condition. A study suggests that age alone may not require a dosage adjustment, but elderly patients should be monitored more closely for adverse effects. It is important to consult with a healthcare provider to determine the appropriate dosage of Lipitor for an individual's specific needs.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/020702s073lbl.pdf
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2546474/