Lipitor is a medication that is used to treat high cholesterol levels in the blood. It is a type of medication called a statin, which works by reducing the amount of cholesterol produced by the liver. Grapefruit and grapefruit juice can interact with Lipitor and other statins, causing the medication to build up in the body and increasing the risk of side effects [2]. However, there is no evidence to suggest that other citrus fruits, such as oranges or lemons, have the same effect [2]. In fact, some studies have suggested that certain compounds found in citrus fruits may actually help to lower cholesterol levels [2].

When taking Lipitor, it is important to avoid consuming grapefruit or grapefruit juice, as well as other products that may contain grapefruit, such as marmalade or some types of fruit smoothies [2]. However, consuming other citrus fruits should not be a problem [2][3]. As with any medication, it is important to talk to your doctor or pharmacist about any potential interactions or side effects before taking Lipitor or any other medication [2][3].

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