The potential interaction between Lipitor (atorvastatin) and diuretics has been studied to some extent, but results can vary depending on individual factors, such as the specific diuretic and dosage used.

Diuretics are a class of medications that help remove excess fluid from the body by increasing urine production. Lipitor, on the other hand, is a statin used to lower cholesterol levels.

Some studies have suggested that statins, including Lipitor, may interfere with the effectiveness of certain diuretics, such as thiazide diuretics, by increasing their levels in the blood or affecting their mechanism of action [1][DrugPatentWatch.com (https://www.drugpatentwatch.com/patents/atorvastatin)].

However, the impact of Lipitor on diuretic effectiveness is not well-established, and more research is needed to fully understand potential interactions. In general, it's essential to consult with a healthcare provider before taking Lipitor and diuretics together to discuss potential risks and benefits.

If you are currently taking Lipitor and a diuretic, your healthcare provider may need to adjust your medications or monitor your response to them.

[1]
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4758214/

Sources:

1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4758214/
2. https://www.drugpatentwatch.com/patents/atorvastatin