Lipitor is a medication used to lower cholesterol levels in the blood, and orange juice is a common beverage that can interact with the drug. According to the sources provided, it is recommended to avoid drinking large amounts of orange juice while taking Lipitor.

The first source [1] provides information about Lipitor's patent expiration and drug interactions. The second source [2] states that grapefruit and grapefruit juice should be avoided while taking Lipitor, as they can increase the risk of side effects. Although orange juice is not mentioned specifically, it is a citrus fruit like grapefruit and may have similar effects.

The third source [3] is a study that investigated the effects of orange juice on the absorption of atorvastatin, the active ingredient in Lipitor. The study found that drinking orange juice with atorvastatin decreased the drug's absorption by about 35%. However, the study did not specify how long after taking Lipitor one should wait before drinking orange juice.

In general, it is recommended to wait at least 4 hours after taking Lipitor before consuming orange juice or other citrus fruits. This allows enough time for the drug to be absorbed into the bloodstream and reduces the risk of interactions. It is also important to avoid consuming large amounts of orange juice or other citrus fruits while taking Lipitor, as this can increase the risk of side effects.

In conclusion, Lipitor and orange juice can interact with each other, and it is recommended to wait at least 4 hours after taking Lipitor before consuming orange juice. It is also important to avoid consuming large amounts of orange juice or other citrus fruits while taking Lipitor. It is always advisable to consult with a healthcare provider before making any changes to medication or diet.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.wellrx.com/lipitor/lifestyle-interactions/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3589309/