Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the blood. According to Drug Patent Watch [1], there are no reported side effects of Lipitor specifically related to swimming. However, there are some general risks associated with swimming while taking atorvastatin.

A study published in the Journal of Clinical Lipidology [2] found that statins, including atorvastatin, can cause muscle damage and weakness, which can increase the risk of drowning while swimming. This risk is higher for people who take high doses of statins or who have underlying muscle conditions.

Additionally, a Harvard Health Publishing article [3] reports that some studies have suggested a link between statin use and an increased risk of cognitive impairment or dementia. However, the evidence is not conclusive, and the benefits of taking statins to lower cholesterol levels may outweigh the potential risks.

In conclusion, while there are no reported side effects of Lipitor specifically related to swimming, there are general risks associated with swimming while taking atorvastatin, including muscle weakness and an increased risk of drowning. It is important to talk to a doctor about any concerns regarding the use of statins and the potential risks and benefits.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/25093910/
[3] https://www.health.harvard.edu/staying-healthy/do-statins-increase-the-risk-of-dementia