There is no known interaction between Lipitor (atorvastatin) and avocado. Lipitor is a medication used to lower cholesterol levels, while avocado is a nutrient-rich fruit that contains heart-healthy fats. The sources provided do not mention any specific interaction between Lipitor and avocado.

However, it is important to note that some foods can affect the absorption and effectiveness of certain medications. For example, grapefruit and grapefruit juice can interact with Lipitor and increase the risk of side effects. It is recommended to consult with a healthcare provider or pharmacist before making any significant changes to your diet while taking Lipitor or any other medication.

In conclusion, there is no known interaction between Lipitor and avocado. It is important to discuss any potential changes to your diet with a healthcare provider or pharmacist to ensure the safe and effective use of medications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.statnews.com/2016/11/03/medications-food-drug-interactions/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4978708/