Lipitor is a medication used to lower cholesterol levels and reduce the risk of heart disease and stroke. According to the sources provided, muscle pain is a potential side effect of Lipitor, but it is unclear if withdrawal from the medication can cause muscle pain.

The first source [1] provides information about the drug Lipitor, including its active ingredient, atorvastatin, and its uses. The source does not mention muscle pain as a potential side effect of the drug.

The second source [2] is a study that investigated the effects of atorvastatin on muscle pain and damage in patients with high cholesterol. The study found that atorvastatin did not cause significant muscle damage or pain in the participants. However, the study did not investigate the potential for muscle pain as a withdrawal symptom.

The third source [3] is a case report of a patient who experienced muscle pain and weakness after stopping atorvastatin. The patient had been taking the medication for several years and had no history of muscle problems. The muscle pain and weakness resolved after the patient resumed taking atorvastatin.

Based on these sources, it is unclear if Lipitor withdrawal can cause muscle pain. While muscle pain is a known side effect of the drug, the available information does not definitively establish a causal link between Lipitor withdrawal and muscle pain. It is important to consult with a healthcare provider before stopping any medication to discuss potential side effects and withdrawal symptoms.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6019601/
[3] https://pubmed.ncbi.nlm.nih.gov/12672737/