Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the blood. The drug is manufactured by Pfizer, and its patent expired in 2011 [1]. This means that generic versions of the drug are now available, which are typically less expensive than the brand-name version.

A study published in the Journal of Managed Care & Specialty Pharmacy found that switching from Lipitor to a generic version of atorvastatin was associated with cost savings and similar clinical outcomes [2]. The study looked at data from over 90,000 patients who switched from Lipitor to a generic version of atorvastatin and found that there was no significant difference in the number of patients who experienced adverse events or who required hospitalization between the two groups.

In addition to cost savings, switching to a generic version of atorvastatin may also be beneficial for patients who experience side effects from Lipitor. According to an article published by Harvard Health Publishing, some patients may experience muscle pain or weakness as a side effect of Lipitor, and switching to a different statin may alleviate these symptoms [3]. However, it is important for patients to consult with their healthcare provider before making any changes to their medication regimen.

In summary, switching from Lipitor to a generic version of atorvastatin may be a cost-effective and clinically appropriate option for patients. Patients who experience side effects from Lipitor may also benefit from switching to a different statin, but should consult with their healthcare provider before making any changes to their medication regimen.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/29271267/
[3] https://www.health.harvard.edu/blog/switching-to-generic-lipitor-201202064195