Unfortunately, the sources provided do not offer any information on the specific topic of the side effects of Lipitor while swimming. However, we can provide some general information on the side effects of Lipitor and the precautions that should be taken when using it.

Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. Like all medications, it can cause side effects. The most common side effects of Lipitor include muscle pain, weakness, and tenderness, as well as headache, nausea, and diarrhea [1].

When taking Lipitor, it is important to avoid prolonged exposure to sunlight and to use sunscreen and protective clothing to reduce the risk of sunburn. This is because Lipitor can make the skin more sensitive to sunlight and increase the risk of sunburn [2].

It is also important to avoid consuming large amounts of grapefruit juice while taking Lipitor. Grapefruit juice can interfere with the metabolism of Lipitor and increase the risk of side effects [3].

While there is no specific information on the side effects of Lipitor while swimming, it is important to take precautions when engaging in any physical activity while taking this medication. If you experience any unusual symptoms while taking Lipitor, such as muscle pain or weakness, you should contact your healthcare provider immediately.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.fda.gov/drugs/special-features/sun-and-your-medicine
[3] https://www.health.harvard.edu/heart-health/grapefruit-juice-and-statins