Lipitor is a brand name for the drug atorvastatin, which is commonly used to lower cholesterol levels and reduce the risk of heart disease [1]. While Lipitor is generally considered safe and effective, some studies have suggested that it may be associated with cognitive side effects, including memory loss [2].

The amount of time it takes to reverse Lipitor-induced memory loss may vary depending on the individual and the severity of their symptoms. However, it is important to note that stopping Lipitor without consulting a healthcare provider can be dangerous, as it may increase the risk of heart disease and other health problems [3].

According to a study published in the Journal of Diabetes Research, patients who experienced cognitive side effects from Lipitor were able to recover their cognitive function after discontinuing the medication [2]. However, the study did not specify how long it took for patients to fully recover.

Another article published in Scientific American suggests that some patients may experience cognitive side effects from statins like Lipitor due to a depletion of coenzyme Q10 (CoQ10), a nutrient that is important for brain health [3]. The article notes that some patients may benefit from taking CoQ10 supplements, although more research is needed to determine the optimal dosage and duration of treatment.

In summary, while there is evidence to suggest that discontinuing Lipitor may help reverse memory loss in some patients, the amount of time it takes to fully recover may vary. Patients who are experiencing cognitive side effects from Lipitor should consult their healthcare provider before making any changes to their medication regimen. Additionally, some patients may benefit from taking CoQ10 supplements, although more research is needed in this area [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4642809/
[3] https://www.scientificamerican.com/article/its-not-dementia-its-your-heart-medication/