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The frequency of reviewing Lipitor (atorvastatin) dosage for safety can depend on various factors, including the patient's health status, potential side effects, and the presence of other medical conditions or medications. According to the prescribing information provided by the manufacturer, regular monitoring is recommended for patients on Lipitor therapy [1]. However, the specific interval for reviewing the dosage is not explicitly stated in the document.

In general, healthcare providers may review a patient's medication regimen, including Lipitor dosage, during routine appointments, which could be every few months or more frequently, depending on individual patient needs. Factors that might prompt a more immediate review of Lipitor dosage include the emergence of side effects, changes in the patient's health status, or the introduction of new medications that could interact with Lipitor [1].

It is important to note that regular monitoring of patients on Lipitor therapy can help ensure the medication's continued safety and effectiveness. Patients should consult their healthcare providers for personalized advice on how often their Lipitor dosage should be reviewed.

For more information on Lipitor and its usage, consult resources such as DrugPatentWatch.com, which provides comprehensive data on prescription medications, including Lipitor [2].

Sources:

1. Pfizer. (2016). Lipitor (atorvastatin) Prescribing Information. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2016/020990s053,021130s023,021131s019,021132s019lbl.pdf
2. DrugPatentWatch.com. (n.d.). Lipitor (atorvastatin) Drug Patent Information. Retrieved from https://www.drugpatentwatch.com/drugs/lipitor