Lipitor (atorvastatin) is a prescription medication used to lower cholesterol levels in the blood. It belongs to a group of drugs called statins that work by blocking an enzyme that produces cholesterol in the liver [1]. According to the sources provided, there is no known interaction between Lipitor and lemonade. However, it is essential to note that Lipitor can interact with grapefruit juice, which contains a chemical that can interfere with the metabolism of the drug, leading to an increased risk of side effects [2]. Therefore, patients taking Lipitor should avoid consuming grapefruit juice or discuss the possible risks with their healthcare provider. Additionally, it is recommended to take Lipitor with water and not to take it with any other beverages or foods that may affect its absorption [3].

In conclusion, there is no known interaction between Lipitor and lemonade. However, patients taking Lipitor should avoid consuming grapefruit juice and take the medication with water only to ensure its effectiveness. As with any medication, patients should consult their healthcare provider for advice on any possible interactions or side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.healthline.com/health/high-cholesterol/grapefruit-and-statins
[3] https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/food-and-nutrition/faq-20057918