Based on the available information, there is no specific precaution mentioned for taking Lipitor (atorvastatin) and swimming. However, it is always recommended to consult with a healthcare provider before engaging in any physical activity while on medication.

The Lipitor patent information website [1] does not provide any specific warnings or precautions regarding swimming. The FDA's Sun and Your Medicine page [2] discusses the effects of sunlight on medications but does not specifically mention Lipitor or atorvastatin.

It is important to note that Lipitor, like other medications, can have potential interactions with other drugs, food, or alcohol [1]. Swimming itself is generally considered a low-risk activity, but individuals should be aware of their own physical limitations and potential side effects of their medication.

The Mayo Clinic provides information on precautions for fluconazole, an antifungal medication, and swimming [3]. While this is not specific to Lipitor, it highlights the general importance of being aware of potential interactions between medications and water exposure.

In summary, while there are no specific precautions for Lipitor and swimming, it is always advisable to consult with a healthcare provider before participating in physical activities while on medication.

Sources:
[1] <https://www.drugpatentwatch.com/p/tradename/LIPITOR>
[2] <https://www.fda.gov/drugs/special-features/sun-and-your-medicine>
[3] <https://www.mayoclinic.org/drugs-supplements/fluconazole-oral-route/precautions/drg-20071428?p=1>