Lipitor is a commonly used medication for the treatment of high cholesterol and cardiovascular disease. According to the FDA label [3], Lipitor is safe for use in elderly patients and can be used in conjunction with other medications. However, the dosage may need to be adjusted based on the patient's age, kidney function, and other medications they are taking. It is essential to consult with a healthcare provider to ensure that Lipitor is safe for an elderly patient and that it does not interact with other medications they are taking [2].

A study published in the Journal of Geriatric Cardiology [2] suggests that Lipitor is effective and safe in elderly patients with high cholesterol. The study found that Lipitor reduced the levels of LDL cholesterol, which is the "bad" cholesterol that can lead to cardiovascular disease. The study also found that Lipitor did not have any significant adverse effects in elderly patients.

According to Drug Patent Watch [1], Lipitor is one of the most commonly prescribed medications in the United States. It has been on the market for over 20 years and has been extensively studied in various patient populations, including elderly patients. The medication has a good safety profile and is generally well-tolerated in elderly patients.

In conclusion, Lipitor can be safely used in elderly patients with other medications. However, the dosage may need to be adjusted based on the patient's age, kidney function, and other medications they are taking. It is essential to consult with a healthcare provider to ensure that Lipitor is safe for an elderly patient and that it does not interact with other medications they are taking. Lipitor is effective and safe in reducing LDL cholesterol levels in elderly patients with high cholesterol [2].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6915405/
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/020702s073lbl.pdf