Lipitor is a medication used to lower cholesterol levels in the body. It belongs to a class of drugs known as statins. According to Drugs.com [2], it is safe to consume lime or lime juice while taking statin drugs such as Lipitor. However, Healthline [1] warns that grapefruit and grapefruit juice can interact with Lipitor and other statins, leading to potentially harmful side effects. The website advises patients taking Lipitor to avoid consuming grapefruit or grapefruit juice. While there is no mention of lemon or lemon water in the sources provided, it is generally safe to assume that consuming lemon or lemon water would not have the same interaction with Lipitor as grapefruit. However, it is always advisable to consult with a healthcare professional before making any changes to your diet or medication regimen.

Sources:
[1] https://www.healthline.com/health/high-cholesterol/grapefruit-and-statins
[2] https://www.drugs.com/medical-answers/you-limes-lime-juice-taking-statin-drugs-3211550/
[3] https://www.drugpatentwatch.com/p/tradename/LIPITOR