Lipitor is a brand name for the drug atorvastatin, which is a type of statin medication used to lower cholesterol levels in the blood [1]. Statins work by inhibiting the production of cholesterol in the liver, which can help prevent heart disease and stroke. However, one of the potential side effects of statin use is muscle pain or weakness [2].

According to a study published in the Journal of Clinical Lipidology, muscle pain or weakness associated with statin use can sometimes persist for several months or even years after discontinuing the medication [3]. However, the study did not specifically address how long Lipitor might delay muscle recovery.

It is important to note that not everyone who takes statins will experience muscle pain or weakness, and for those who do, the symptoms are usually mild and resolve on their own once the medication is stopped [2]. In some cases, switching to a different statin or adjusting the dosage may help alleviate the symptoms [3].

In conclusion, while there is evidence to suggest that muscle pain or weakness associated with statin use can sometimes persist for months or even years after discontinuing the medication, there is no specific information available on how long Lipitor might delay muscle recovery. It is important for individuals taking statins to be aware of the potential side effects and to discuss any concerns with their healthcare provider [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/classes/statins/muscle-pain-statins-how-to-prevent-common-side-effect
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/